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1
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ุจุณู… ุงู„ู„ู‡ ุงู„ุฑุญู…ู† ุงู„ุฑุญูŠู… ุงุจุชุฏุฃู†ุง ุงู„ู…ุฑุฉ ุงู„ู…ุงุถูŠุฉ ููŠ
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section 7 ุงู„ู€ 6 ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ inverse trigonometric
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functions ู…ุนูƒูˆุณ ุงู„ุฏูˆุงู„ ุงู„ู…ุซู„ุซูŠุฉ ูˆุงุฎุฐู†ุง ุงู„ุฏุงู„ุฉ
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ุงู„ู…ุซู„ุซูŠุฉ ุงู„ุฃูˆู„ู‰ Y ุชุณุงูˆูŠ Sin X ูˆุฌุจู†ุง ุงู„ู…ุนูƒูˆุณ ูˆุฏุฑุณู†ุง
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ุจุนุถ ุงู„ุฎูˆุงุต ู„ู‡ุฐู‡ ุงู„ุฏุงู„ุฉ ุงู„ุขู† ู†ู†ุชู‚ู„ ุฅู„ู‰ ุงู„ุฏุงู„ุฉ
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ุงู„ุซุงู†ูŠุฉ ูˆู‡ูŠ Y ุชุณุงูˆูŠ Cos Inverse X ุฃูˆ Arc Cos X ุงู„ุขู†
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ุงู„ู‚ุตุฉ ุงู„ู„ูŠ ุฑุณู…ู†ุงู‡ุง ุจุงู„ุฌู‡ุฉ ุงู„ู…ุญุตูˆุฑุฉ ุจูŠู† ูˆุงุญุฏ ูˆ ุณุงู„ุจ
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ูˆุงุญุฏ ูˆุทุงู„ุน ูˆ ู†ุฒู„ ุนู„ู‰ ุดูƒู„ ู…ูˆุฌุงุช ู„ูˆ ุฌูŠุช ุฑุณู…ุช ุฃูŠ
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horizontal line ู‡ู‚ุทุนู‡ุง ููŠ ุงู„ุนุฏูŠุฏ ู…ู† ุงู„ู†ู‚ุงุท ุฃูˆ
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ููŠ ู…ุงู„ุงู†ู‡ุงูŠุฉ ู…ู† ุงู„ู†ู‚ุท ูˆุจุงู„ุชุงู„ูŠ ุงู„ู€ function ู„ูŠุณุช
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one to one ุฅุฐู† ู…ุซู„ ู…ุง ุนู…ู„ู†ุง restriction ุนู„ู‰ ุงู„ู€
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domain ููŠ ุญุงู„ุฉ ุงู„ู€ sine ู‡ู†ุนู…ู„ restriction ุนู„ู‰ ุงู„ู€
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domain ููŠ ุญุงู„ุฉ ุงู„ู€ cosine ูƒูŠูุŸ ูƒุงู„ุชุงู„ูŠุŒ ุฎู„ู‘ูŠ ุจุงู„ูƒ
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ู…ุนุงู‡ ู‡ู†ุง ุดูˆูŠุฉ ูŠุจู‚ู‰ ู‡ุฐุง ู…ู†ุญู†ู‰ ุงู„ู€ cosine ุงู„ุฃุตู„ูŠ ู‡ุฐุง
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ู…ุญูˆุฑ x ู‡ุฐุง ู…ุญูˆุฑ y ู‡ุฐู‡ ู†ู‚ุทุฉ ุงู„ุฃุตู„ ุงู„ู„ูŠ ู‡ูŠ zero ู…ู†ุญู†ู‰
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ุงู„ูƒูˆุณุงูŠู† ู…ุซู„ ู…ู†ุญู†ู‰ ุงู„ู€ sine ุชู…ุงู…ุง ู„ุง ุจูŠุฒูŠุฏ ุนู† ุงู„ูˆุงุญุฏ
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ูˆู„ุง ุจูŠู†ู‚ุต ุนู† ุงู„ุณุงู„ุจ ูˆุงุญุฏ ูŠุจู‚ู‰ ู‡ุฐุง ูˆุงุญุฏ ูˆู‡ุฐุง ุณุงู„ุจ
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00:01:43,780 --> 00:01:49,320
ูˆุงุญุฏ ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุฃู†ุง ู…ู†ุญู†ู‰ ุงู„ูƒูˆุณุงูŠู† ู„ุง ูŠู…ุฑ ุจู†ู‚ุทุฉ
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ุงู„ุฃุตู„ ุฅู† ุงู„ูƒูˆุณุงูŠู† ุตูุฑ ุชุจู‚ู‰ ูƒุฏู‡ุŸ ูˆุงุญุฏ ูŠุจู‚ู‰ ูƒูˆุณุงูŠู† ุตูุฑ
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ุชุณุงูˆูŠ ูˆุงุญุฏ ุฅุฐุง ุงู„ู…ู†ุญู†ู‰ ูŠุจุฏุฃ ู…ู† ุฃุนู„ู‰ ุทูŠุจ ูŠุจู‚ู‰ cosine
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00:02:04,210 --> 00:02:10,050
ุตูุฑ ุชุณุงูˆูŠ ูˆุงุญุฏ ุฅุฐุง ุจุฏู‡ ูŠุจุฏุฃ ุฑุณู… ู…ู† ูˆูŠู†ุŸ ู…ู† ููˆู‚ ู…ู†
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ุนู†ุฏ ุงู„ูˆุงุญุฏ ูƒุงู„ุชุงู„ูŠ ุงู„ู…ู†ุญู†ู‰ ู‡ูŠุฌูŠ ู†ุงุฒู„ ู‡ูŠูƒ ูˆูŠุฌูŠ ู†ุงุฒู„
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00:02:15,010 --> 00:02:19,730
ู‡ูŠูƒ ูˆูŠุฌูŠ ุทุงู„ุน ูˆู‡ูŠูƒ ูƒุฏู‡ ูˆู…ู† ุงู„ู†ุงุญูŠุฉ ุงู„ุซุงู†ูŠุฉ ุฒูŠู‡ุง
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00:02:19,730 --> 00:02:24,240
ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐู‡ ูˆู‡ูŠูƒ ูƒุฏู‡ ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ ุนุจุงุฑุฉ ุนู†
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00:02:24,240 --> 00:02:29,260
zero ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ ุนุจุงุฑุฉ ุนู† ุจุงูŠ ุนู„ู‰ ุงุซู†ูŠู† ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡
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00:02:29,260 --> 00:02:36,760
ู‡ูŠ ุงู„ู€ ฯ€ ุงู„ู„ูŠ ู‡ูŠ ุนุจุงุฑุฉ ุนู† ุงู„ู„ูŠ ู‡ูŠ ุจุงูŠ ูˆู‡ูƒุฐุง ูˆู‡ู†ุง
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00:02:36,760 --> 00:02:43,380
ุงู„ู„ูŠ ู‡ูˆ ุซู„ุงุซุฉ ุจุงูŠ ุนู„ู‰ ุงุซู†ูŠู† ูˆู‡ุฐุง ุงู„ุฎุท ุงู„ู„ูŠ ู‡ูˆ
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00:02:43,380 --> 00:02:47,060
ู…ุญูˆุฑ ุงู„ุณูŠู†ุงุช ุฃูˆ ุงู„ู€ x axis ุจูŠุจู‚ู‰ ู…ุงุดูŠ ุจุงู„ุดูƒู„ ุงู„ู„ูŠ
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00:02:47,060 --> 00:02:53,850
ุฃู†ุง ุฃู†ุง ุงู„ุขู† ุจุฏูŠ ุฃุฑูˆุญ ุฃุญุตุฑ ู†ูุณูŠ ููŠ ู…ู†ุทู‚ุฉ ุจุญูŠุซ ุฃุถู…ู†
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00:02:53,850 --> 00:02:58,430
ุฎู„ุงู„ู‡ุง ุฃู† ุงู„ู…ู†ุญู†ู‰ ูŠูƒูˆู† one to one ู„ูˆ ุดูŠู„ู†ุง ุงู„ุฌุฒุก
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00:02:58,430 --> 00:03:04,850
ุงู„ู„ูŠ ุนู„ู‰ ุงู„ุดู…ุงู„ ู‡ุฐุง ูƒู„ู‡ ุชู…ุงู…ุŸ ูˆุฌูŠุช ุดูŠู„ุช ุงู„ุฌุฒุก ู‡ุฐุง
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00:03:04,850 --> 00:03:10,850
ุจุงู„ุดูƒู„ ุนู†ุฏู‡ ูˆุงูƒุชููŠุช ูู‚ุท ุจุงู„ูุชุฑุฉ ู…ู† ุนู†ุฏ ุงู„ู€ Zero
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00:03:10,850 --> 00:03:16,150
ู„ุบุงูŠุฉ ุงู„ู€ Pi ูŠุจู‚ู‰ ู…ู† ุงู„ู€ Zero ู„ุบุงูŠุฉ ุงู„ู€ Pi ุงู„ู…ู†ุญู†ู‰
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00:03:16,150 --> 00:03:21,170
ู‡ุฐุง ูƒู„ ุงู„ุฎุท ุงู„ุบุงู…ู‚ ุงู„ู„ูŠ ุฃู†ุช ุดุงูŠูู‡ ู‡ูŠูˆู‚ู ู‡ู†ุง ุนู†ุฏ
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00:03:21,170 --> 00:03:26,050
ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ุขู† ุงู„ุฎุท ุงู„ุบุงู…ู‚ ู‡ุฐุง ุงู„ู„ูŠ ุฃู†ุช ุดุงูŠูู‡ ู„ูˆ
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00:03:26,050 --> 00:03:30,910
ุฑูˆุญุช ุฑุณู…ุช ุฃูŠ horizontal line ุนู„ู‰ ุฌูŠู‡ ู‡ุชู„ุงู‚ูŠ ููŠู‡
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00:03:30,910 --> 00:03:37,140
ู†ู‚ุทุฉ ูˆุงุญุฏุฉ ูู‚ุท ูŠุจู‚ู‰ ุจุถู…ู† ู…ู† ูˆุฌูˆุฏ ุงู„ู…ุนูƒูˆุณ ุฅุฐุง ุจู‚ูˆู„ู‡
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00:03:37,140 --> 00:03:43,720
ู‡ุฐุง ุงู„ู…ู†ุญู†ู‰ ุงู„ู„ูŠ ู‡ูˆ y ุชุณุงูˆูŠ cosine ุงู„ู€ x ูˆุนู†ุฏ ุงู„ู€ x
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00:03:43,720 --> 00:03:50,100
ู‡ุฐู‡ ุฃูƒุจุฑ ู…ู† ุฃูˆ ุชุณุงูˆูŠ zero ูˆุฃู‚ู„ ู…ู† ุฃูˆ ุชุณุงูˆูŠ y ุฃูˆ
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00:03:50,100 --> 00:03:56,500
ุงู„ู€ x ููŠ ุงู„ู€ closed interval ุจู†ุงู†ุฉ ุนู„ูŠู‡ุง ุถู…ู†ุช ุจุฐู„ูƒ
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00:03:56,500 --> 00:04:02,100
ูˆุฌูˆุฏ ุงู„ู€ Main ูˆุฌูˆุฏ ุงู„ู…ุนูƒูˆุณ ู„ู‡ุฐู‡ ุงู„ุฏุงู„ุฉ ู„ูˆ ุฑุณู…ู†ุง
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00:04:02,100 --> 00:04:07,680
ุดูƒู„ ุงู„ู…ุนูƒูˆุณ ุณูŠูƒูˆู† ุจุงู„ุดูƒู„ ู„ุฃู† ู‡ุฐุง ู‡ูˆ ู…ุญูˆุฑ X ูˆู‡ูˆ
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ู…ุญูˆุฑ Y ูˆู‡ุฐู‡
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00:04:12,480 --> 00:04:18,380
ู‡ูŠ ู†ู‚ุทุฉ ุงู„ุฃุตู„ ุงู„ู„ูŠ ู‡ูŠ Zero ุงู„ู€ Range ุชุจู‚ู‰ ุงู„ูƒูˆุณุงูŠู†
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00:04:18,380 --> 00:04:23,480
ุฒูŠ ู…ุง ุฃู†ุช ุดุงูŠู ู…ู† ุณุงู„ุจ ูˆุงุญุฏ ุฅู„ู‰ ูˆุงุญุฏ ูˆุจุงู„ุชุงู„ูŠ
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00:04:23,480 --> 00:04:28,200
ุจูŠุตูŠุฑ domain ู…ู† ุณุงู„ุจ ูˆุงุญุฏ ุฅู„ู‰ ูˆุงุญุฏ ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ
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00:04:28,200 --> 00:04:33,700
ู‡ูŠ ุณุงู„ุจ ูˆุงุญุฏ ูˆู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ู‡ูŠ ู…ู† ุงู„ู„ูŠ ู‡ูŠ ูˆุงุญุฏ ู„ูˆ
48
00:04:33,700 --> 00:04:37,840
ุฌุงุกุช ุชุฎูŠู„ุช ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ X ุชุณุงูˆูŠ ูˆุงุญุฏ ูŠุจู‚ู‰ ุงู„ุฎุท
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00:04:37,840 --> 00:04:42,400
ุงู„ุฑุฃุณูŠ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐุง ูˆุงู„ู€ X ุชุณุงูˆูŠ ุณุงู„ุจ ูˆุงุญุฏ ุงู„ุฎุท
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00:04:42,400 --> 00:04:48,300
ุงู„ุฑุฃุณูŠ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐุง ุงู„ุขู† ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ Zero ูˆุงุญุฏ
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00:04:48,300 --> 00:04:52,980
ุจุฏุฃุช ุชุตูŠุฑ ู…ู† ุฃูŠู†ุŸ ูˆุงุญุฏ ูˆ Zero ุจุงู„ู†ุณุจุฉ ู„ู„ู…ุนูƒูˆุณ ูˆุงุญุฏ
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00:04:52,980 --> 00:04:56,720
ูˆ Zero ู‡ูŠ ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ ุฅุฐุง ุจุฏุฃ ูŠุจุฏุฃ ู…ู† ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ
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00:04:56,720 --> 00:05:01,130
ุนู†ุฏู†ุง ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ู„ุฃู† ู‡ุฐู‡ ุจุงูŠ ุนู„ู‰ ุงุซู†ูŠู† ูˆ Zero ุฏู‡
54
00:05:01,130 --> 00:05:05,590
ุชุตูŠุฑ Zero ูˆ ุจุงูŠ ุนู„ู‰ ุงุซู†ูŠู† Zero ุจุงูŠ ุนู„ู‰ ุงุซู†ูŠู† ุงู„ู„ูŠ
55
00:05:05,590 --> 00:05:10,790
ู‡ูŠ ุงู„ู†ู‚ุทุฉ ู„ุฃู† ู‡ุฐู‡ ูŠุจู‚ู‰ ู‡ุฐู‡ Zero ูˆ ุจุงูŠ ุนู„ู‰ ุงุซู†ูŠู†
56
00:05:10,790 --> 00:05:15,770
ุงู„ู†ู‚ุทุฉ ู„ุฃู† ู‡ุฐู‡ ุงู„ุฃุฎูŠุฑุฉ ู‡ูŠ ุจุงูŠ ูˆุณุงู„ุจ ูˆุงุญุฏ ุฏู‡ ุชุตูŠุฑ
57
00:05:15,770 --> 00:05:20,300
ุณุงู„ุจ ูˆุงุญุฏ ูˆ ุจุงูŠ ู‡ุฐู‡ ุงู„ุณุงู„ุจ ูˆุงุญุฏ ุณุชุธู‡ุฑ ู‡ู†ุง ูˆู‡ูŠ
58
00:05:20,300 --> 00:05:24,920
ุงู„ุงุณู… ุงู„ูˆุญูŠุฏ ุจุงูŠ ูŠุจู‚ู‰ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ุงู„ู†ู‚ุทุฉ ุจุงูŠ ูŠุจู‚ู‰
59
00:05:24,920 --> 00:05:30,360
ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ ุงู„ู„ูŠ ู‡ูŠ ุงู„ุณุงู„ุจ ูˆุงุญุฏ ูˆ ุจุงูŠ ุฅุฐุง ุงู„ุฃุณูู„
60
00:05:30,360 --> 00:05:35,660
ุงู„ู€ excess ู…ุง ุนู†ุฏูŠุด ุจุงู„ู…ุฑุฉ ูˆุฅู†ู…ุง ุจุฏูŠ ูŠูƒูˆู† ุงู„ู…ู†ุญู†ู‰
61
00:05:35,660 --> 00:05:43,980
ุจุงู„ุดูƒู„ ู‡ุฐุง ุชู…ุงู…ุง ูˆูŠุฌูŠ ุทุงู„ุน ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ู‡ุง ูŠุนู†ูŠ
62
00:05:43,980 --> 00:05:50,060
ูƒุฃู†ู‡ ุญุทูŠู†ุง ุงู„ุฎุท Y ุชุณุงูˆูŠ X ูˆู‚ู„ุจู†ุง ุงู„ู…ู†ุญู†ู‰ ุนุจุฑ ู‡ุฐุง
63
00:05:50,060 --> 00:05:54,980
ุงู„ุฎุท ูู‡ูˆ ุฃุตุจุญ ุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู†ุง ุจู‡ุฐุง ุงู„ุดูƒู„ ูŠุจู‚ู‰ ู‡ุฐู‡
64
00:05:54,980 --> 00:06:01,540
ุฑุณู…ุฉ ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ cosine inverse X ูŠุจู‚ู‰ ู‡ุฐู‡ Y ุชุณุงูˆูŠ
65
00:06:01,540 --> 00:06:07,380
cosine inverse X ูˆุงู„ู€ X ู‡ุฐู‡ ู…ุญุตูˆุฑุฉ ู…ุง ุจูŠู† ุณุงู„ุจ ูˆุงุญุฏ
66
00:06:07,380 --> 00:06:13,460
ูˆู…ุง ุจูŠู† ุงู„ูˆุงุญุฏ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ domain ุชุจุน ู‡ุฐู‡ ู‚ุจู„ุฉ ุงู„ุขู†
67
00:06:13,460 --> 00:06:21,360
ุจู†ุชูŠุฌูŠ ู„ุจุนุถ ุงู„ุฎูˆุงุต main ู„ู‡ุฐุง ุงู„ู…ู†ุญู†ู‰ ูŠุจู‚ู‰ ู‡ุฐุง
68
00:06:21,360 --> 00:06:25,140
ุงู„ูŠู…ูŠู† ุณุงู„ุจ ูˆุงุญุฏ ูˆุจุงู„ุชุงู„ูŠ ุจุฏูŠ ุฃู‚ูˆู„ some
69
00:06:25,140 --> 00:06:31,580
properties of
70
00:06:31,580 --> 00:06:39,480
y ุชุณุงูˆูŠ cosine inverse x ุงู„ุฎุงุตูŠุฉ
71
00:06:39,480 --> 00:06:46,080
ุงู„ุฃูˆู„ู‰ ุจุชุฌูŠุจ ุงู„ู€ domain ุชุจุน cosine inverse x y
72
00:06:46,080 --> 00:06:49,860
ุงู„ุณุงูˆูŠุฉ ุงู„ู€ domain ุฒูŠ ู…ุง ุฃู†ุช ุดุงูŠู ู…ู† ูˆูŠู† ู„ูˆูŠู†ุŸ ู…ู† ุงู„ู€
73
00:06:49,860 --> 00:06:53,920
closed interval ุฃูˆ ู…ู† ุนู†ุฏ ุงู„ุฑู‚ู… ุณุงู„ุจ ูˆุงุญุฏ ู„ุบุงูŠุฉ
74
00:06:53,920 --> 00:07:00,680
ูˆุงุญุฏ as any closed interval ูˆุงู„ู€ range ูˆุงู„ู€ range
75
00:07:00,680 --> 00:07:05,100
ู„ู…ู†ุŸ and
76
00:07:20,410 --> 00:07:29,790
ุงู„ุซุงู†ูŠุฉ ุงู„ู€ y ุชุณุงูˆูŠ cos inverse x is equivalent
77
00:07:33,630 --> 00:07:41,090
ุชูˆ ูŠุนู†ูŠ ู‡ุฐู‡ ุงู„ู…ุนุงุฏู„ุฉ equivalent to ูƒุงูุฉ ุฃุซุฑ ู„ูŠ ุนู„ู‰
78
00:07:41,090 --> 00:07:49,310
ุงู„ุทุฑููŠู† ุจูƒูˆุณุงูŠู† ูŠุจู‚ู‰ ูƒูˆุณุงูŠู† ุงู„ู€ Y ุจุฏุฃ ุชุณุงูˆูŠ ูƒูˆุณุงูŠู†
79
00:07:49,310 --> 00:07:54,110
ู„ูƒูˆุณุงูŠู† inverse X ุงู„ูƒูˆุณุงูŠู† ุจูŠู„ุบูŠ ุชุฃุซูŠุฑ ุงู„ูƒูˆุณุงูŠู†
80
00:07:54,110 --> 00:08:00,290
inverse ุนู„ู‰ X ูˆูŠุจู‚ู‰ ุงู„ู€ X ูƒู…ุง ู‡ูˆ ูŠุจู‚ู‰ ุจุฏู‡ ูŠุณุงูˆูŠ ุงู„ู€
81
00:08:00,290 --> 00:08:04,990
X ุจุดุฑุท ุงู„ู€ X ุชุจู‚ู‰ ููŠ ุฏูˆู…ูŠู† ู…ูŠู†ุŸ ููŠ ุฏูˆู…ูŠู† ุงู„ู€ Cos
82
00:08:04,990 --> 00:08:10,350
Inverse ูŠุนู†ูŠ ุจุดุฑุท ุงู„ู€ X ุชูƒูˆู† ู…ุญุตูˆุฑุฉ ุจูŠู† ุณุงู„ุจ ูˆุงุญุฏ
83
00:08:10,350 --> 00:08:17,470
ูˆูˆุงุญุฏ ุงู„ู†ู‚ุทุฉ ุงู„ุซุงู„ุซุฉุŒ ู„ูˆ ุฃุฎุฏุช Cos Inverse ู„ูŠู‡ Cos
84
00:08:17,470 --> 00:08:24,770
XุŸ ูŠุณุงูˆูŠ ู‡ุฐุง ูƒุฏู‡ุŸ ูŠุณุงูˆูŠ ุงู„ู€ X ูŠุณุงูˆูŠ ุงู„ู€ X ูู‚ุท ุฅุฐุง
85
00:08:24,770 --> 00:08:29,970
ูƒุงู†ุช ุงู„ู€ X ู…ูˆุฌูˆุฏุฉ ููŠ ุฏูˆู…ูŠู† ู…ูŠู†ุŸ ูˆุงู„ุฏูˆู…ูŠู† ุงู„ู€ cosine
86
00:08:29,970 --> 00:08:34,950
ุฏูˆู…ูŠู† ุงู„ู€ cosine ูŠุฎู„ูŠู†ุง ู†ู‚ูˆู„ ุฃู†ู‡ ู…ู† 0 ู„ู€ ฯ€ ู…ูˆุฌูˆุฏ
87
00:08:34,950 --> 00:08:43,230
ููŠ ุงู„ูุชุฑุฉ ู…ู† 0 ู„ุบุงูŠุฉ ฯ€ and ู„ูˆ ุฃุฎุฏู†ุง cosine ู„ู€
88
00:08:43,230 --> 00:08:49,470
cosine inverse x ูŠุจุฏูˆ ูƒุงู† ุฎุทุฃ ุนู†ุง ุจุณูŠุท ุงู„ู…ุฑุฉ ุงู„ู„ูŠ
89
00:08:49,470 --> 00:08:54,650
ูุงุชุช ููŠ ุงู„ูƒุชุงุจุฉ ุทู„ุน ู„ุฃู†ูƒ ู…ูƒุชูˆุจ cosine x cosine
90
00:08:54,650 --> 00:09:00,390
inverse ู‡ูˆ sin ุทุจุนุง ุงู„ู…ุฑุฉ ุงู„ู„ูŠ ูุงุชุช sin x ู„ุตู„ูŠุญ
91
00:09:00,390 --> 00:09:03,670
ุญุงู„ูŠ sin ู„ู€ sin inverse x
92
00:09:07,960 --> 00:09:13,640
ุฃู‚ูˆู„ ู„ูƒ ู‡ู†ุงุŒ ุงุญู†ุง ุจุดุฑ ูˆุฅู† ูƒู†ุง ุจุดุฑ ุจู†ุฎุทุฃุŒ ูˆู…ุด ุนูŠุจ
93
00:09:13,640 --> 00:09:18,260
ุฅู†ูƒ ุชุฎุทุฃุŒ ู„ูƒู† ุงู„ุนูŠุจ ู‡ูˆ ุงู„ุฅุตุฑุงุฑ ุนู„ู‰ ุงู„ุฎุทุฃุŒ ุงุชุนู„ู…
94
00:09:18,260 --> 00:09:23,240
ู‡ุฐุง ูƒู„ุงู… ููŠ ุญูŠุงุชูƒุŒ ุงู„ุฎุทุฃ ุฃูˆ ุงู„ุนูŠุจ ู‡ูˆ ุงู„ุฅุตุฑุงุฑ ุนู„ู‰
95
00:09:23,240 --> 00:09:28,870
ุงู„ุฎุทุฃ ู„ูƒู† ุฅุฐุง ุจุชุนุชุฑู ุจุงู„ุฎุทุฃ ูˆุจุชุฑุฌุน ุนู†ู‡ ู‡ุฐุง ุดูŠุก ู…ู…ุชุงุฒ
96
00:09:28,870 --> 00:09:34,030
ุฌุฏุง ูŠุจู‚ู‰ ู„ุฃู† ุงู„ู€ cosine ู„ู€ cosine inverse X ู‡ุฐู‡
97
00:09:34,030 --> 00:09:39,650
ุชุณุงูˆูŠ ุงู„ู€ X ุจุดุฑุท ุฅู† ุงู„ู€ X ุชูƒูˆู† ููŠ ุฏูˆู…ูŠู† ู…ูŠู†ุŸ cosine
98
00:09:39,650 --> 00:09:43,290
inverse ุฏูˆู…ูŠู† ุงู„ู€ cosine inverse ุงู„ู„ูŠ ู‡ูˆ ู…ู† ูˆูŠู†ุŸ ู…ู†
99
00:09:43,290 --> 00:09:50,310
ุณุงู„ุจ ูˆุงุญุฏ ุฅู„ู‰ ูˆุงุญุฏ ุจู‡ุฐุง ุงู„ุดูƒู„ ุงู„ุฎุงุตูŠุฉ ุงู„ุฑุงุจุนุฉ ู„ูˆ
100
00:09:50,310 --> 00:09:57,230
ุจุฏูŠ ุขุฎุฐ limit ู„ู€ cosine inverse X ู„ู…ุง ุงู„ู€ X ุจุฏูŠ ุชุฑูˆุญ
101
00:09:57,230 --> 00:10:04,890
ู„ู„ูˆุงุญุฏ ู…ู† ุฌู‡ุฉ ุงู„ุดู…ุงู„ ู„ู„ูˆุงุญุฏ ู…ู† ุฌู‡ุฉ ุงู„ุดู…ุงู„ ูŠุณุงูˆูŠ
102
00:10:04,890 --> 00:10:11,150
ุฑุงูŠุญูŠู† ู„ู„ูˆุงุญุฏ ู…ู† ุฌู‡ุฉ ุงู„ุดู…ุงู„ ูŠุจู‚ู‰ ู‚ูŠู…ุฉ ุฏู„ ู‚ุฏุฑ ุฃูˆ
103
00:10:11,150 --> 00:10:17,490
ุงู„ู‚ูŠู… ุงู„ู„ูŠ ุฑุงูŠุญุฉ ู„ู„ู€ limit ู„ู‡ุฐู‡ ุฏู„ ู‚ุฏุฑ Zero and ู„ูˆ
104
00:10:17,490 --> 00:10:23,110
ุจุฏู†ุง limit ู„ู€ cosine inverse x ู„ู…ุง ุงู„ู€ x ุจุฏู‡ ุชุฑูˆุญ
105
00:10:23,110 --> 00:10:29,810
ู„ุณุงู„ุจ ูˆุงุญุฏ ู…ู† ุฌู‡ุฉ ุงู„ูŠู…ูŠู† ู„ุณุงู„ุจ ูˆุงุญุฏ ู…ู† ุฌู‡ุฉ ุงู„ูŠู…ูŠู†
106
00:10:29,810 --> 00:10:37,060
ุจู„ ุฃุฌุฏ ุฏุงู„ุฉ ุฑุงุญุช ู„ู…ูŠู†ุŸ ุฅู„ู‰ ุจุงูŠ ุจุงู„ุดูƒู„ ู„ุฃู† ู‡ุฐุง ุงู„ุขู†
107
00:10:37,060 --> 00:10:44,180
ุจู†ุฑูˆุญ ู„ุฏุงู„ุฉ ุฑู‚ู… ุซู„ุงุซุฉ ุงู„ูŠู…ูŠู† Y ุชุณุงูˆูŠ ูƒุชุงู† inverse
108
00:10:44,180 --> 00:10:59,660
X ุฃูˆ Arc ูƒุชุงู† ุงู„ู€ X ุดูƒู„ ุฅู†ู‡ุง ุงู„ุขู†
109
00:10:59,660 --> 00:11:06,270
ู„ูˆ ุฑุฌุนู†ุง ู„ู…ู†ุญู†ู‰ ุงู„ุชุงู† ุชุงู† ุฎู„ู‘ูŠู†ุง ู†ุงุฎุฏ ุงู„ุชุงู† ุจุงู„ุฃูˆู„
110
00:11:06,270 --> 00:11:11,370
ูˆุจุนุฏูŠู† ุจู†ุฑูˆุญ ู„ู„ูƒุชุงู† ู…ุดุงู† ุจุณ ุงู„ุชุฑุชูŠุจ ูŠุจู‚ู‰ ุฎู„ู‘ูŠู†ุง
111
00:11:11,370 --> 00:11:16,070
ู†ุงุฎุฏ ุงู„ุชุงู† ูˆุจุนุฏูŠู† ุจู†ุฑูˆุญ ู„ู„ูƒุชุงู† ูุจู‚ู‰ ุขุฌูŠ ุจู‚ูˆู„ ุชุงู†
112
00:11:16,070 --> 00:11:25,430
inverse X ูˆุงู„ู„ูŠ ุจุฏู‡ ูŠุณุงูˆูŠ Arc ุชุงู† ุงู„ู€ X ู„ูˆ
113
00:11:25,430 --> 00:11:29,550
ุฑุญู†ุง ู„ู…ู†ุญู†ู‰ ุชุงู† ุจู†ุนุฑู ุฅู† ุงู„ู…ู†ุญู†ู‰ ุชุงู† ู…ู† ูƒุงุฏ ูƒู„ุตูŠุฉ
114
00:11:29,550 --> 00:11:36,210
ุชูƒูˆู† ู…ู† ู…ุฌู…ูˆุนุฉ ู‚ุทุน ูŠุนู†ูŠ ุฃุดุจู‡ ุจุงู„ู‚ุทุน ุงู„ู…ุชูˆุงุฒูŠุฉ ุทุจุนุง
115
00:11:36,210 --> 00:11:40,010
ู„ูˆ ุฑุณู…ุช ุฃูŠ horizontal line ู‡ูŠู‚ุทุนู‡ุง ููŠ ู…ุงู„ุงู†ู‡ุงูŠุฉ
116
00:11:40,010 --> 00:11:43,450
ู…ู† ุงู„ู†ู‚ุงุท ุฅุฐุง ุจุฏู†ุง ู†ุฑูˆุญ ู†ุนู…ู„ restriction ุนู„ู‰ ุงู„ู€
117
00:11:43,450 --> 00:11:47,450
domain ูˆู†ุงุฎุฏ ูุชุฑุฉ ู†ุถู…ู† ู…ู† ุฎู„ุงู„ู‡ุง ุงู„ุฏุงู„ุฉ ูˆุงู†ุช ูˆุงู†ูŠ
118
00:11:47,450 --> 00:11:53,270
ูŠุนู†ูŠ ุจุฏู†ุง ู†ุงุฎุฏ ู‚ุทุนุฉ ูˆุงุญุฏุฉ ู…ู† ุงู„ู…ู†ุญู†ู‰ ู„ูˆ ุฑุฌุนู†ุง
119
00:11:53,270 --> 00:12:00,180
ู„ู…ู†ุญู†ู‰ ุชุงู† ุจุงู„ุดูƒู„ ุฅู† ู‡ุฐุง ู‡ูŠูƒ ูŠุจู‚ู‰ ู‡ุฐุง ู…ุญูˆุฑ X ู‡ุฐุง ู…ุญูˆุฑ
120
00:12:00,180 --> 00:12:05,980
Y ู‡ุฐู‡ ู†ู‚ุทุฉ ุงู„ุฃุตู„ ู‡ุฐุง ุงู„ุฎุท ุงู„ู„ูŠ ุนู†ุฏู†ุง ุงู„ู„ูŠ ู‡ูˆ ฯ€
121
00:12:05,980 --> 00:12:11,340
ุนู„ู‰ ุงุซู†ูŠู† ูˆู‡ุฐุง ุงู„ุฎุท ุงู„ู…ู†ุงุธุฑ ุงู„ู„ูŠ ู‡ูˆ ุณุงู„ุจ ุจุงูŠ ุนู„ู‰
122
00:12:11,340 --> 00:12:19,120
ุงุซู†ูŠู† ูˆู‡ุฐุง ุงู„ุฎุท ุฅู„ู‰ ุซู„ุงุซุฉ ุจุงูŠ ุนู„ู‰ ุงุซู†ูŠู† ูˆู‡ู†ุง ู‡ุฐู‡
123
00:12:19,120 --> 00:12:25,080
ุงู„ู†ู‚ุทุฉ ุงู„ุชูŠ ู‡ูŠ ุจุงูŠ ูˆู‡ู†ุง ูƒู…ุงู† ุณุงู„ุจ ุซู„ุงุซุฉ ุจุงูŠ ุนู„ู‰
124
00:12:25,080 --> 00:12:31,260
ุงุซู†ูŠู† ูˆู‡ู†ุง ุงู„ู„ูŠ ู‡ูˆ ุณุงู„ุจ ุจุงูŠ ู„ูˆ ุฑูˆุญู†ุง ุฑุณู…ู†ุง
125
00:12:31,260 --> 00:12:35,780
ุงู„ู…ู†ุญู†ู‰ ู„ุฃู† ู‡ู†ุง ุจู„ุงุญุธ ุงู„ู…ู†ุญู†ู‰ ุจูŠุฃุฎุฐ ุงู„ุดูƒู„ ุงู„ุชุงู„ูŠ
126
00:12:35,780 --> 00:12:42,020
ูŠุจู‚ู‰ ุงู„ู…ู†ุญู†ู‰ ุจูŠุฌูŠู†ูŠ ู…ู† ููˆู‚ ูˆุจูŠุฌูŠ ู†ุงุฒู„ ุจูŠุฌูŠ ู†ุงุฒู„
127
00:12:42,020 --> 00:12:48,560
ุจู‡ุฐุง ุงู„ุดูƒู„ ุชู…ุงู…ุŸ ูˆู…ู† ู‡ู†ุง ูƒู…ุงู† ุจู†ูุณ ุงู„ุทุฑูŠู‚ุฉ ู‡ุฐูŠูƒ
128
00:12:48,560 --> 00:12:54,460
ูˆุจูŠุฌูŠ ู†ุงุฒู„ ุจู‡ุฐุง ุงู„ุดูƒู„ ูˆู…ู† ู‡ู†ุง ุจู‡ุฐู‡ ุงู„ุทุฑูŠู‚ุฉ ูˆุจูŠุฌูŠ
129
00:12:54,460 --> 00:12:58,920
ู†ุงุฒู„ ุจู‡ุฐุง ุงู„ุดูƒู„ ูˆู‡ูƒุฐุง ูŠู…ูŠู† ูˆุดู…ุงู„ ุจูŠุถู„ ุฅู„ู‰ ุฃู† ูŠุบุทูŠ
130
00:12:58,920 --> 00:13:02,360
ุงู„ู„ู‡ ุจุงู„ุฃุฑุถ ูˆู…ู† ุนู„ูŠู‡ุง ุฅุฐุง ุงุญู†ุง ุจุฏู†ุง ู†ุนู…ู„
131
00:13:02,360 --> 00:13:09,700
restriction ุนู„ู‰ the domain ู„ู„ุฏุงู„ุฉ ุชุจู‚ู‰ ูˆุงุญุฏุฉ ูˆุงุญุฏุฉุŒ
132
00:13:09,700 --> 00:13:14,660
ูŠุจู‚ู‰ ู‡ุฐู‡ ุงู„ู‚ุทุนุฉ ูˆุงุญุฏุฉ ู…ู† ุงู„ู…ู†ุญู†ู‰ุŒ ูŠุจู‚ู‰ ู‡ุฐู‡ ุงู„ู‚ุทุนุฉ
133
00:13:14,660 --> 00:13:19,860
ู…ู†ู‚ุทุฉุŒ ูŠุจู‚ู‰ ุฏู„ูŠู„ ุนู„ู‰ ุฃู†ู‡ุง ู„ูŠุณุช ู…ูˆุฌูˆุฏุฉุŒ ูƒุฃู†ู‡ุง ุบูŠุฑ
134
00:13:19,860 --> 00:13:25,210
ู…ูˆุฌูˆุฏุฉ ุชู…ุงู…ู‹ุง.ูˆุจุฏู†ุง ู†ุญุตุฑ the domain ูู‚ุท ู…ู† ุนู†ุฏ
135
00:13:25,210 --> 00:13:29,730
ุงู„ุณุงู„ุจ ฯ€ ุนู„ู‰ 2 ู„ุบุงูŠุฉ ฯ€ ู„ุบุงูŠุฉ ุงู„ ฯ€ ุนู„ู‰
136
00:13:29,730 --> 00:13:34,090
2 ู„ู…ุง ุงู†ุญุตุฑู†ุงู‡ ุฃุฑูˆุญ ุงุฑุณู… ุฃูŠ horizontal line
137
00:13:34,090 --> 00:13:39,330
ู‡ู„ุงู‚ูŠ ูŠู‚ุทุน ูˆูŠู† ููŠ ู†ู‚ุทุฉ ูˆุงุญุฏุฉ ูู‚ุท ุฅุฐุง ุงู†ุถู…ู†ุช ุฃู† ุงู„
138
00:13:39,330 --> 00:13:44,500
function ู‡ุฐู‡ ุตุงุฑุช ู…ุงู„ู‡ุง 1 to 1 ุฅุฐุง the domain ู…ู†
139
00:13:44,500 --> 00:13:47,440
ุณุงู„ุจ ฯ€ ุนู„ู‰ 2 ุฅู„ู‰ ฯ€ ุนู„ู‰ 2 ูˆ the range ู…ู†
140
00:13:47,440 --> 00:13:53,280
โˆ’โˆž ุฅู„ู‰ โˆž ูƒูˆูŠุณ ุงู„ุขู†
141
00:13:53,280 --> 00:13:57,440
ุจุฏู†ุง ู†ูŠุฌูŠ ู†ุฑุณู… ุฑุณู…ุฉ ุงู„ู…ุนูƒูˆุณ ูŠุจู‚ู‰ ุจุงุฌูŠ ุจู‚ูˆู„ ู‡ูŠ
142
00:13:57,440 --> 00:14:04,160
ุงู„ู…ู†ุญู†ู‰ ุจุงู„ุดูƒู„ ุฃู† ู‡ุฐุง ู…ุญูˆุฑ X ู‡ุฐุง ู…ุญูˆุฑ Y ู‡ุฐู‡ ู†ู‚ุทุฉ
143
00:14:04,160 --> 00:14:10,080
ุงู„ุฃุตู„ ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ 0 the domain ู…ู† ุณุงู„ุจ ฯ€ ุนู„ู‰
144
00:14:10,080 --> 00:14:15,320
2 ู„ู€ ฯ€ ุนู„ู‰ 2 ุจูŠุตูŠุฑ the range ู„ู€ tan inverse ูŠุนู†ูŠ
145
00:14:15,320 --> 00:14:22,340
ู‡ุฐุง ุงู„ู…ู†ุญู†ู‰ ุงู„ู„ูŠ ู‡ูˆ Y ุชุณุงูˆูŠ tan ุงู„ู€ X ูˆ ุงู„ู€ X ู‡ุฐู‡
146
00:14:22,340 --> 00:14:28,060
ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ูุชุฑุฉ ุงู„ู…ูุชูˆุญุฉ ู…ู† ุณุงู„ุจ ฯ€ ุนู„ู‰ 2
147
00:14:28,060 --> 00:14:35,720
ุฅู„ู‰ ฯ€ ุนู„ู‰ 2 ุฒูŠ ู…ุง ุฃู†ุช ุดุงูŠู ุฅุฐุง the domain ู…ู†
148
00:14:35,720 --> 00:14:38,960
ุณุงู„ุจ ฯ€ ุนู„ู‰ 2 ู„ู€ ฯ€ ุนู„ู‰ 2 ุจูŠุตูŠุฑ the range
149
00:14:38,960 --> 00:14:46,840
ู„ู…ู† ู„ู€ tan inverse ูŠุจู‚ู‰ ู‡ู†ุง ู‡ูŠุฌูŠู†ุง ู‡ูŠูƒ ุงู„ุฎุท ู‡ุฐุง ุจู‡ุฐุง
150
00:14:46,840 --> 00:14:54,440
ุงู„ุดูƒู„ ุงู„ู„ูŠ ู‡ูˆ ฯ€ ุนู„ู‰ 2 ูˆุจูŠุฌูŠ ุงู„ุฎุท ุงู„ู…ู†ุงุธุฑ ู„ู‡
151
00:14:54,440 --> 00:14:59,640
ููŠ ุงู„ุฃุณูู„ ุจู‡ุฐุง ุงู„ุดูƒู„ ุงู„ู„ูŠ ู‡ูˆ ุณุงู„ุจ ฯ€ ุนู„ู‰ 2
152
00:15:00,520 --> 00:15:05,840
ู…ู†ุญู†ู‰ ุงู„ู€ tan ุจูŠู…ุฑ ุจู†ู‚ุทุฉ ุงู„ุฃุตู„ุŒ ุฅุฐุง ู…ู†ุญู†ู‰ ุงู„ู€ tan
153
00:15:05,840 --> 00:15:11,040
inverse ูƒุฐู„ูƒ ุจูŠู…ุฑ ุจู†ู‚ุทุฉ ุงู„ุฃุตู„ุŒ ูŠุจู‚ู‰ ู„ูˆ ุฌูŠู†ุง ุฑุณู…ู†ุง
154
00:15:11,040 --> 00:15:18,920
ุงู„ู…ู†ุญู†ู‰ ู‡ุฐุงุŒ ู‡ูŠุฃุฎุฏ ุงู„ุดูƒู„ ุงู„ุชุงู„ูŠ ุจุชู†ุฒู„ ู‡ูŠูƒ ูˆุจุชู†ุฒู„
155
00:15:18,920 --> 00:15:25,700
ุจู‡ุฐุง ุงู„ุดูƒู„ ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ู…ู†ุญู†ู‰ Y ุชุณุงูˆูŠ tan inverse X
156
00:15:25,700 --> 00:15:31,640
ูˆ ุงู„ู€ X ู‡ุฐู‡ ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ูุชุฑุฉ ู…ู† ุณุงู„ุจ โˆž ุฅู„ู‰
157
00:15:31,640 --> 00:15:36,900
โˆž ูŠุนู†ูŠ ุงู„ู€ tan inverse ู…ุนุฑู ุนู„ู‰ ูƒู„ ุงู„ู€ real
158
00:15:36,900 --> 00:15:42,940
line ู…ุง ุนุฏุง ุจุนุถ ุงู„ุฎูˆุงุต ู„ู‡ุฐุง
159
00:15:42,940 --> 00:15:44,100
ุงู„ู…ู†ุญู†ู‰
160
00:15:47,240 --> 00:15:56,160
ุจุนุฏู‡ุง ุจุฏูŠ ุฃู‚ูˆู„ ู„ู‡ some properties of
161
00:15:56,160 --> 00:16:04,720
Y ุชุณุงูˆูŠ tan inverse X ุงู„ุฎุงุตูŠุฉ ุงู„ุฃูˆู„ู‰ ุจุฏู†ุง the domain ุงู„
162
00:16:04,720 --> 00:16:10,880
tan inverse X Y ูŠุณุงูˆูŠ the domain ู…ู† ุฃูŠู† ูŠุง ุดุจุงุจุŸ ู…ู†
163
00:16:10,880 --> 00:16:19,400
ุณุงู„ุจ โˆž ู„ุบุงูŠุฉ โˆž and the range ู„ู€ tan
164
00:16:19,400 --> 00:16:25,940
inverse X ู‡ูˆ ุนุจุงุฑุฉ ุนู† ุงู„ูุชุฑุฉ ู…ู† ุณุงู„ุจ ฯ€ ุนู„ู‰ 2 ุฅู„ู‰
165
00:16:25,940 --> 00:16:31,250
ฯ€ ุนู„ู‰ 2 as an open interval ู…ุด ุฒูŠ ุงู„ู€ sine inverse
166
00:16:31,250 --> 00:16:35,670
ูˆ ุงู„ู€ cosine inverseุŒ ู‚ูู„ู†ุง ุงู„ูุชุฑุฉุŒ ู„ุง ู‡ุฐู‡ ูุชุฑุฉ ู…ูุชูˆุญุฉุŒ
167
00:16:35,670 --> 00:16:43,330
open and ุทูŠุจุŒ ุจู†ุนูŠุด ู„ู„ู†ู‚ุทุฉ ุงู„ุซุงู†ูŠุฉุŒ ุงู„ูŠู…ูŠู† Y
168
00:16:43,330 --> 00:16:49,470
ุชุณุงูˆูŠ tan inverse X is equivalent
169
00:16:52,300 --> 00:16:59,240
ุจุฏูŠ ุฃุซุฑ ุนู„ู‰ ุงู„ุทุฑููŠู† ุจู€ tan ูุจุตูŠุฑ ุนู†ุฏูŠ tan ุงู„ู€ Y ุจุฏู‡
170
00:16:59,240 --> 00:17:03,960
ูŠุณุงูˆูŠ X ุฅุฐุง ุงู„ู…ุนุงุฏู„ุชูŠู† ู‡ุฏูˆู„ are the same in
171
00:17:03,960 --> 00:17:12,240
ุชูŠู† ู…ุชูƒุงูุฆุชูŠู† ุจุฏูŠ ุฃุฎุฏ tan inverse ู„ู€ tan ุงู„ู€ X ู‡ุฐุง
172
00:17:12,240 --> 00:17:17,700
ุงู„ูƒู„ุงู… ุจุฏู‡ ูŠุณุงูˆูŠ ุงู„ู€ X ุฅุฐุง ูƒุงู†ุช ุงู„ู€ X ู…ูˆุฌูˆุฏุฉ ููŠ
173
00:17:17,700 --> 00:17:23,890
the domain ู„ู€ tan ู…ู† ุณุงู„ุจ ฯ€ ุนู„ู‰ 2 ุฅู„ู‰ ฯ€ ุนู„ู‰ 2
174
00:17:23,890 --> 00:17:36,150
as an open interval and tan ู„ู€ tan inverse X ุจุฏ
175
00:17:36,150 --> 00:17:42,750
ูŠุณุงูˆูŠ ู‚ุฏุงุด ุจุฏูˆ ูŠุณุงูˆูŠ X ุฅุฐุง ูƒุงู†ุช ุงู„ู€ X ู…ูˆุฌูˆุฏุฉ ููŠ
176
00:17:42,750 --> 00:17:46,530
ุงู„ูุชุฑุฉ ู…ู† ุณุงู„ุจ โˆž ู„ู€ โˆž ุงู„ู„ูŠ ู‡ูˆ the domain
177
00:17:46,530 --> 00:17:51,740
ู„ู€ tan inverse ู‡ุฐู‡ ุงู„ูƒู„ุงู… ุจุงุฎุชุตุงุฑ ูˆู„ูŠุณ ู„ุชุตู„ูŠ ูŠุนู†ูŠุŒ
178
00:17:51,740 --> 00:17:56,360
ุจุนุฏ ู‚ู„ูŠู„ ู„ู…ุง ู†ุงุฎุฏ ุฃู…ุซู„ุฉ ู‡ู†ุดุชุบู„ ุนู„ู‰ ูŠุญูƒูŠ ุงู„ู€ domain
179
00:17:56,360 --> 00:18:00,860
ู‡ุฐุง ูˆุชุชู‚ูŠุฏ ููŠู‡ุง ูˆู…ุง ุฅู„ู‰ ุฐู„ูƒุŒ ุฒูŠ ู…ุง ู‡ู†ุดูˆู ุจุนุฏ ู‚ู„ูŠู„
180
00:18:00,860 --> 00:18:06,860
ุทูŠุจ ุงู„ู†ู‚ุทุฉ ุงู„ุฑุงุจุนุฉุŒ ู„ูˆ ุฑูˆุญุช ุฃุฎุฏุช ุงู„ู€ limit ู„ู€ tan
181
00:18:06,860 --> 00:18:12,600
inverse X ู„ู…ุง ุงู„ู€ X tends to โˆž ู„ู…ุง ุงู„ู€ X ุชุฑูˆุญ
182
00:18:12,600 --> 00:18:16,860
ู„ู€ โˆžุŒ ุงู„ุฏุงู„ุฉ ุจุชุทู„ุน ุนู„ู‰ ุฃูŠู†ุŸ ู„ู€ ฯ€ ุนู„ู‰ 2
183
00:18:16,860 --> 00:18:25,580
ุชู…ุงู… and ุจุฏู†ุง ุงู„ู€ limit ู„ู€ tan inverse X ู„ู…ุง ุงู„ู€ X ุจุฏู‡ุง
184
00:18:25,580 --> 00:18:32,820
ุชุฑูˆุญ ู„ู€ โˆ’โˆž ูŠุจู‚ู‰ ู†ุงุฒู„ุฉ ุฅู„ู‰ ุณุงู„ุจ ฯ€ ุนู„ู‰
185
00:18:32,820 --> 00:18:37,260
2 ุญุฏ
186
00:18:37,260 --> 00:18:38,720
ุงู„ู„ูŠ ู‡ูˆ ุจูŠุณุงูˆูŠ ู‡ู†ุง ูŠุง ุดุจุงุจ
187
00:18:41,490 --> 00:18:46,710
ุงู„ู„ูŠ ุจูŠุทู„ุน ููŠ ุจุงู„ู‡ ุฃูŠ ุณุคุงู„ ูŠุฑูุน ูŠุฏู‡ ูˆูŠุณุฃู„ ูˆู†ุญู† ุฅู†
188
00:18:46,710 --> 00:18:54,890
ุดุงุก ุงู„ู„ู‡ ุฌุงู‡ุฒูˆู† ู„ู„ุฅุฌุงุจุฉ ุทูŠุจ
189
00:18:54,890 --> 00:19:00,310
ู‡ุฐู‡ ุงู„ุญุงู„ุฉ ุงู„ุซุงู„ุซุฉ ุฃูˆ ู„ู„ุชูˆุถูŠุญ ุงู„ูˆุฏูƒ ุงู„ุซุงู„ุซุฉุŒ ุชูุถู„
190
00:19:00,310 --> 00:19:06,290
ุงุชุฌู‡ุช the domain ู„ู„ู€ tan ู†ูุณูƒุŒ ู„ู„ู€ tan ู…ู† ุณุงู„ุจ ฯ€
191
00:19:06,290 --> 00:19:09,820
ุนู„ู‰ 2 ู„ู€ ฯ€ ุนู„ู‰ 2 ู…ุบู„ู‚ุฉ ูˆู„ุง ู…ูุชูˆุญุฉุŸ ุฃูŠุด ุฑุฃูŠูƒ ุฃู†ุช ู…ู†
192
00:19:09,820 --> 00:19:14,940
ุฎู„ุงู„ ุงู„ุฑุณู… ุนู†ุฏ ุงู„ู€ ฯ€ ุนู„ู‰ 2ุŸ ุจุงู„ุฑุณู… ู‡ูŠู‚ูŠู…ุฉ ูˆู„ุง
193
00:19:14,940 --> 00:19:20,480
ุจุชุทู„ุน ู„ูˆูŠู†ุŸ ุงุณู…ุน ูŠุง ุดุจุงุจุŒ ุฎู„ูŠ ู‡ูˆ ูŠุญูƒูŠ ุงุญู†ุง
194
00:19:20,480 --> 00:19:25,020
ุจู†ุงุฎุฏู‡ุง as an example ูƒูˆุงุญุฏุŒ ุฃูŠ ูˆุงุญุฏ ููŠูƒูˆุง ูŠูˆู…
195
00:19:25,020 --> 00:19:29,720
ุจุชุฑูˆุญ ู„ูˆูŠู†ุŸ ูˆุนู†ุฏ ุงู„ุณู†ุฉ ุงู„ู„ูŠ ุจูŠุนุชู†ุงุŒ ุจุชู†ุฒู„ ู„ูˆูŠู†ุŸ
196
00:19:29,720 --> 00:19:35,140
ูˆู„ุฐู„ูƒ ุฎู„ุงู„ ู‡ู„ูƒ ูƒู„ู‡ุง ูุชุฑุงุช ู…ูุชูˆุญุฉ open interval
197
00:19:39,530 --> 00:19:43,910
ู…ุงุฐุง ูŠุนู†ูŠ equivalent ุจุงู„ุนุฑุจูŠุฉุŸ ู…ูƒุงูุฆุฉ ุฃูˆ ุชุจู†ูŠ ุนู„ู‰
198
00:19:43,910 --> 00:19:48,970
ุงุซู†ูŠู† ู†ูุณ ุงู„ุดูŠุก ุชู…ุงู…ุŸ ุงุซู†ูŠู† ู†ูุณ ุงู„ุดูŠุก ุนู†ุฏูƒ Y ุชุณุงูˆูŠ
199
00:19:48,970 --> 00:19:56,050
tan inverse ุฃุซุฑ ู„ูŠ ุนู„ู‰ ุงู„ุทุฑููŠู† ุจู€ tan ุชุตูŠุฑ ุฃู† tan Y ุชุณุงูˆูŠ
200
00:19:56,050 --> 00:20:01,610
tan ู„ู€ tan inverse X ุงู„ุฏุงู„ุฉ ู„ูˆ ู…ุนูƒูˆุณุฉ ูˆุงุญุฏุฉ ุชู„ุบูŠ tan ู‡ูˆ
201
00:20:01,610 --> 00:20:06,790
ูŠุจู‚ู‰ ู…ู† ุงู„ู€ X ูƒุฃู†ู‡ ู…ุง ุญุตู„ ู„ู‡ ุดูŠุก ุชู…ุงู…ุŸ ูŠุจู‚ู‰ ุจูŠุตูŠุฑ
202
00:20:06,790 --> 00:20:12,890
tan Y ูŠุณุงูˆูŠ ู…ู†ุŸ ูŠุณุงูˆูŠ ุงู„ู€ X ููŠ ุชุณุงูˆูŠ ุซุงู†ูŠุŸ ุทูŠุจ ุฃุฑูˆุญ
203
00:20:12,890 --> 00:20:20,270
ู„ู„ู†ู‚ุทุฉ ุงู„ุฑุงุจุนุฉ ุงู„ู†ู‚ุทุฉ ุงู„ุฑุงุจุนุฉ Y ุชุณุงูˆูŠ cot inverse
204
00:20:20,270 --> 00:20:30,850
X ุฃูˆ R cot ุงู„ู€ X ู†ูŠุฌูŠ ู„ู…ู†ุญู†ู‰ ุงู„ู€ cot ุจุดูƒู„ ุนุงู… ู„ุฃู†
205
00:20:30,850 --> 00:20:38,310
ุฃู†ุง ูŠุจู‚ู‰ ู‡ุฐุง ู…ุญูˆุฑ X ู‡ุฐุง ู‡ูˆ ู…ุญูˆุฑ Y ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ู„ุฏูŠู†ุง
206
00:20:38,310 --> 00:20:45,570
ู‡ู†ุง ูŠุจู‚ู‰ ู‡ุฐุง ู…ุญูˆุฑ Y ูˆู‡ุฐุง ู†ู‚ุทุฉ ุงู„ุฃุตู„ ุงู„ู„ูŠ ู‡ูŠ 0
207
00:20:50,520 --> 00:20:54,160
ู‚ุทุน ูˆ ุจุงู„ุชุงู„ูŠ ุงู„ู€ horizontal line ู‡ูŠู‚ุทุน ููŠ ุงู„ุนุฏูŠุฏ
208
00:20:54,160 --> 00:21:00,480
ู…ู† ุงู„ู‚ุทุน ุจุฅู† ู†ุงุฎุฐ ู‚ุทุนุฉ ูˆุงุญุฏุฉ ูˆู‡ูŠ ุนู„ู‰ ุงู„ุดูƒู„ ุงู„ุชุงู„ูŠ
209
00:21:00,480 --> 00:21:05,600
ู‡ุฐุง ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ู‡ูŠ ฯ€ ูˆู‡ุฐุง ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ู‡ูŠ ฯ€ ุนู„ู‰
210
00:21:05,600 --> 00:21:13,360
2 ู…ู† ุญุฏ ุงู„ู€ cot ุจูŠุฌูŠ ู…ู† ู‡ู†ุง ู…ุน ู…ุญูˆุฑ Y ูˆ ุจูŠุฌูŠ
211
00:21:13,360 --> 00:21:19,280
ุจู†ุฒู„ ุนู„ู‰ Y ุนู„ู‰ 2 ูˆุจุนุฏู‡ุง ุจูŠุธู„ ู…ุงุดูŠ ุตุญุจู‡ ูˆ ุงู„ุฎุท X
212
00:21:19,280 --> 00:21:24,740
ูŠุณุงูˆูŠ Y ุจูŠุธู„ ุงู„ุงุซู†ูŠู† ู…ุงุดูŠ ู…ุน ุจุนุถ ู„ุบุงูŠุฉ โˆž
213
00:21:34,580 --> 00:21:41,460
ูŠุจู‚ู‰ ู‡ู†ุง Y ุชุณุงูˆูŠ cot X ูˆ ุงู„ู€ X ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ูุชุฑุฉ
214
00:21:41,460 --> 00:21:44,980
ุงู„ู…ูุชูˆุญุฉ ู…ู† 0 ู„ู…ูŠู† ู„ุบุงูŠุฉ ฯ€
215
00:21:47,750 --> 00:21:53,490
ุจู†ุฑุณู… ู…ู†ุญู†ู‰ ุงู„ู€ cot inverse ูŠุจู‚ู‰ ู‡ุฐุง X ูˆ ู‡ุฐุง Y ูˆ
216
00:21:53,490 --> 00:21:56,470
ู‡ุฐุง 0 ู„ุญุธุฉ ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู†
217
00:21:56,470 --> 00:21:59,910
ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู†
218
00:21:59,910 --> 00:22:00,610
ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู† ู…ู†
219
00:22:08,310 --> 00:22:12,790
ูŠุจู‚ู‰ ฯ€ ุนู„ู‰ 2 ุจุฏู‡ุง ุชุฌูŠ ุฃูŠู†ุŸ ู‡ู†ุง ููŠ ุงู„ู†ุต ู‡ุฐุง
220
00:22:12,790 --> 00:22:18,230
ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ุจู‚ูˆู„ู‡ุง ฯ€ ุนู„ู‰ 2 ุฅุฐุง ุจุงู„ู…ู†ุญู†ู‰ ู„ุง
221
00:22:18,230 --> 00:22:24,070
ูŠู…ูƒู† ุฃู† ู†ู†ุฒู„ ุชุญุช ู…ุญูˆุฑ X ุจุถู… ุฃูŠู‡ุŸ ุฃุนู„ู‰ ู…ุญูˆุฑ X ู„ูˆ
222
00:22:24,070 --> 00:22:29,190
ุญุทูŠู†ุง ุงู„ุฎุท Y ุชุณุงูˆูŠ X ูˆุฌู„ุจู†ุง ุงู„ุฑุณู… ุนุจุฑ ุบูŠุฑ ุงู„ุฎุท
223
00:22:29,190 --> 00:22:35,760
ู‡ุชุฌูŠ ุงู„ุฑุณู… ุนู†ุฏูƒ ูƒุงู„ุชุงู„ูŠ ู‡ูŠุฌูŠ ู†ุงุฒู„ ู‡ูŠูƒ ูˆู‡ูŠูŠุฌูŠ ุจุงู„ุดูƒู„
224
00:22:35,760 --> 00:22:43,960
ุงู„ู„ูŠ ุนู†ุฏูƒ ู‡ุฐุง ุจุณ ู†ุนูŠุฏ ู†ู‚ุฑุตู‡ ุฃูƒุซุฑ ุฏู‚ุฉ ุดูˆูŠุฉ ูŠุจู‚ู‰
225
00:22:43,960 --> 00:22:48,600
ุงู„ู…ู†ุญู†ู‰ ู‡ูŠุฌูŠ ู†ุงุฒู„ ู‡ูŠูƒ ูˆู‡ูŠูŠุฌูŠ ู†ุงุฒู„ ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏูƒ
226
00:22:48,600 --> 00:22:56,900
ู‡ุฐุง ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ Y ุชุณุงูˆูŠ cot inverse X ูˆ ุงู„ู€ X
227
00:22:56,900 --> 00:23:02,780
ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ูุชุฑุฉ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู„ูŠ ูˆูŠู† ู…ู† ุณุงู„ุจ โˆž
228
00:23:02,780 --> 00:23:10,540
ุฅู„ู‰ โˆž ุดูƒู„ ู„ุนู†ุฉ ุทูŠุจ ุจุฏู†ุง ู†ูŠุฌูŠ ุงู„ุขู† ู„ุจุนุถ
229
00:23:10,540 --> 00:23:18,260
ุงู„ุฎูˆุงุต ู„ู‡ุฐุง ุงู„ู…ู†ุญู†ูŠุงุช ูŠุจู‚ู‰ ุจุงู„ุฏุงุฏูŠุฉ some properties
230
00:23:18,260 --> 00:23:30,850
of Y ุชุณุงูˆูŠ cot inverse X ุจุชูŠุฌูŠ ู„ู€ the domain ุงู„ุฎุงุตูŠุฉ ุงู„ุฃูˆู„ู‰
231
00:23:30,850 --> 00:23:41,230
ู„ู…ู†ุŸ ู„ู€ cot inverse X the domain ู„ู€ cot inverse X ูŠุณุงูˆูŠ
232
00:23:41,230 --> 00:23:46,810
ูˆุงุถุญ ุงู„ู€ domain ู…ู† โˆ’โˆž ุฅู„ู‰
233
00:23:46,810 --> 00:23:56,530
โˆž and the range ู„ู…ู† ู„ู€ cot inverse X ูŠุณุงูˆูŠ ู…ู†
234
00:23:56,530 --> 00:24:02,410
โˆ’โˆž ุฅู„ู‰ ฯ€ as an open interval
235
00:24:02,410 --> 00:24:11,880
ุงู„ู†ู‚ุทุฉ ุงู„ุซุงู†ูŠุฉ Y ุชุณุงูˆูŠ ุงู„ู„ูŠ ู‡ูˆ cot inverse X is
236
00:24:11,880 --> 00:24:22,400
equivalent to cot ุงู„ู€ Y ูŠุณุงูˆูŠ ู…ุง ูŠุนู†ูŠุŸ
237
00:24:22,400 --> 00:24:30,760
ูŠุณุงูˆูŠ X ุงู„ู†ู‚ุทุฉ ุงู„ุซุงู„ุซุฉ ุจุฏู†ุง cot inverse ู„ู€ cot ุงู„ู€
238
00:24:30,760 --> 00:24:38,410
X ูˆูŠุณุงูˆูŠ ุงู„ู„ูŠ ู‡ูˆ ุงู„ู€ X ุจุดุฑุท ุฃู† ุงู„ู€ X ุชุจู‚ู‰ ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„
239
00:24:38,410 --> 00:24:43,410
the domain ู„ู„ู€ cot ูŠุนู†ูŠ ู…ู† ุฃูˆู„ู‰ ูˆูŠู†ุŸ ู…ู† 0 ู„ุบุงูŠุฉ
240
00:24:43,410 --> 00:24:54,460
ฯ€ุŒ ู…ู† 0 ู„ุบุงูŠุฉ ฯ€ cot ู„ู€ cot inverse X ุจุฏูˆ
241
00:24:54,460 --> 00:25:00,760
ูŠุณุงูˆูŠ ุงู„ู€ X ุฅุฐุง ูƒุงู†ุช ุงู„ู€ X ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ู€ interval ู…ู†
242
00:25:00,760 --> 00:25:04,900
ุณุงู„ุจ โˆž ุฅู„ู‰ โˆž
243
00:25:07,290 --> 00:25:13,290
ุทุจ ุงู„ู†ู‚ุทุฉ ุงู„ุฑุงุจุนุฉ ู„ูˆ ุฑูˆุญุช ุฃุฎุฏุช ุงู„ู€ limit ู„ู€ cot
244
00:25:13,290 --> 00:25:19,210
inverse X ู„ู…ุง ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู…ุง ู„ู„ู†ู‡ุงูŠุฉ ู„ู…ุง ุงู„ู€ X
245
00:25:19,210 --> 00:25:26,410
ุจุฏู‡ุง ุชุฑูˆุญ ู„ู…ุง ู„ู„ู†ู‡ุงูŠุฉ ุจุชู†ุฒู„ ู„ูˆูŠู†ุŸ ู„ู„ู€ 0 ุชู…ุงู… and
246
00:25:26,410 --> 00:25:33,450
ุงู„ู€ limit ู„ู€ cot inverse X ู„ู…ุง ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู€ ุณุงู„ุจ
247
00:25:33,450 --> 00:25:34,130
โˆž
248
00:25:39,870 --> 00:25:51,090
ฯ€ ฯ€ ฯ€ ฯ€ ฯ€ ฯ€ ฯ€ ฯ€ ฯ€ ฯ€
249
00:25:51,090 --> 00:25:59,960
ฯ€ ฯ€ ุทูŠุจ ุงู„ุขู† ุงู†ุชู‡ูŠู†ุง ู…ู† ุงู„ู†ู‚ุทุฉ ุงู„ุฑุงุจุนุฉ ูˆุจู†ุฑูˆุญ
250
00:25:59,960 --> 00:26:07,240
ู„ู„ู†ู‚ุทุฉ ุงู„ุฎุงู…ุณุฉ ู…ู† ู…ุนูƒูˆุณุงุช ุงู„ุฏูˆุงู„ ุงู„ู…ุซู„ุซูŠุฉ
251
00:26:21,960 --> 00:26:30,400
ูŠุจู‚ู‰ ุงู„ู†ู‚ุทุฉ ุงู„ุฎุงู…ุณุฉ Y ุชุณุงูˆูŠ Sec Inverse X ูˆุงู„ุชูŠ
252
00:26:30,400 --> 00:26:40,500
ุจุฏุฃุช ุชุณุงูˆูŠ Arc Sec X ุดูˆู ูŠุง ุณูŠุฏูŠ ู‡ุฐุง ู…ู†ุญู†ู‰ ุงู„ู€ Sec ู‡ุฐุง
253
00:26:40,500 --> 00:26:47,280
ู…ุญูˆุฑ X ูˆู‡ุฐุง ู…ุญูˆุฑ Y ูˆู‡ุฐุง ู†ู‚ุทุฉ ุงู„ุฃุตู„ ุงู„ู„ูŠ ู‡ูŠ Zero
254
00:26:48,680 --> 00:26:55,860
ุงู„ู€ Sec ู…ุง ุจูŠู† ุงู„ูˆุงุญุฏ ูˆุงู„ุณุงู„ุจ ูˆุงุญุฏ ู…ุง ุนู†ุฏูŠุด ุฃูŠ ู‚ูŠู…ุฉ ู„ู‡
255
00:26:55,860 --> 00:27:00,660
ุนู„ู‰ ุงู„ุฅุทู„ุงู‚ ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ู„ูŠ ู‡ูˆ ุงู„ุฎุท ุงู„ู„ูŠ ู‡ูˆ ุงู„ุณุงู„ุจ
256
00:27:00,660 --> 00:27:06,280
ูˆุงุญุฏ ูˆุงุญุฏ ุงู„ู…ู†ุญู†ู‰ ุนู„ู‰ ุงู„ูุชุฑุฉ ู…ู† ุณุงู„ุจ ูˆุงุญุฏ ุฅู„ู‰ ูˆุงุญุฏ
257
00:27:06,280 --> 00:27:12,540
ู„ุง ู†ุฌุฏ ู„ู‡ ุฃูŠ ู‚ูŠู…ุฉ ุงู„ุขู† ุงู„ู…ู†ุญู†ู‰ ุนุจุงุฑุฉ ุนู† ุนุฏุฉ ู‚ุทุน
258
00:27:12,540 --> 00:27:13,900
ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ู‚ุงุนุฏู†ุง ู‡ุฐุง
259
00:27:23,520 --> 00:27:29,820
ู‡ุฐู‡ zero ูˆู‡ุฐู‡ ฯ€/2 ูˆู‡ุฐู‡ ฯ€ ูˆู‡ุฐู‡ 3
260
00:27:29,820 --> 00:27:35,020
ฯ€/2 ูˆู†ุจู‚ู‰ ู…ุณุชู…ุฑูŠู† ุนู„ู‰ ู‡ุฐู‡ ุงู„ุดูƒู„ุฉ ูˆู†ุดุฌ
261
00:27:35,020 --> 00:27:40,320
ุงู„ุดู…ุงู„ ุจู†ูุณ ุงู„ุทุฑูŠู‚ุฉ -ฯ€/2 -ฯ€
262
00:27:40,320 --> 00:27:47,940
-3ฯ€/2 and so onุงู„ู…ู†ุญู†ู‰ ุจุฑุง ุนู„ู‰
263
00:27:47,940 --> 00:27:54,300
ู‚ุฏ ู‚ุทุนุฉ ุงู„ู‚ุทุนุฉ ุงู„ุฃูˆู„ู‰ ู„ู‡ุฐุง ุงู„ู…ู†ุญู†ู‰ ุจู‡ุฐุง ุงู„ุดูƒู„ ุชุฌูŠู†
264
00:27:54,300 --> 00:28:00,040
ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐุง ู‡ูŠูƒ ูˆุจุชูŠุฌูŠ ู‡ู†ุง ูˆุจุชูŠุฌูŠ ุทุงู„ุน
265
00:28:00,040 --> 00:28:06,690
ุจุงู„ุดูƒู„ ู‡ุฐุงูˆุจุนุฏ ุฐู„ูƒุŒ ุณูŠุฑ ููˆู‚ุŒ ูˆุจุนุฏู‡ุง ุชุญุชุŒ ููˆู‚ุŒ ุชุญุชุŒ
266
00:28:06,690 --> 00:28:10,330
ูˆู…ู† ุงู„ุดุฌุฑุฉ ุงู„ุซุงู†ูŠุฉ ูˆู…ู† ู†ูุณ ุงู„ุทุฑูŠู‚ุฉ. ู„ูˆ ุฌูŠุช ุฑุณู…ุฉ
267
00:28:10,330 --> 00:28:15,070
horizontal line ููˆู‚ุŒ ุจุชู„ุงู‚ูŠ ู‚ุทุน ุงู„ู…ู†ุญู†ู‰ ููŠ ู†ู‚ุทุชูŠู†
268
00:28:15,070 --> 00:28:18,250
ูˆูƒู…ุงู† ู†ู‚ุทุชูŠู† ูˆูƒู…ุงู† ู†ู‚ุทุชูŠู†ุŒ ูŠุจู‚ู‰ ู…ู„ุฃ ู„ูŠู‡ุง ู…ู†
269
00:28:18,250 --> 00:28:22,830
ุงู„ู†ุธุงู…. ูŠุจู‚ู‰ ุงู„ุฅู†ุณุงู† ุฅู† ุงู„ุฏุงู„ุฉ ู‡ุฐู‡ one to one. ุทูŠุจ
270
00:28:22,830 --> 00:28:28,050
ุงุญู†ุง ุชูˆุณุนู†ุง ููŠ ุงู„ู€ Tan ูˆุงู„ู€ Cot ุฃุฎุฏู†ุง ู‚ุทุนุฉ ูˆุงุญุฏุฉ ูˆุทู„ุนุช
271
00:28:28,050 --> 00:28:32,410
one to one ู‡ู„ ู„ูˆ ุฃุฎุฏู†ุง ู‚ุทุนุฉ ูˆุงุญุฏุฉ ุจุทู„ุน one to one
272
00:28:32,410 --> 00:28:38,150
ูŠุนู†ูŠ ู„ูˆ ุฃุฎุฏุช ู‡ุฐู‡ ุนู„ู‰ ุญุฏู‰ ุจู„ู‚ูŠู‡ุง ููŠ ู†ู‚ุทุชูŠู† ู„ูˆ ุฃุฎุฏุช
273
00:28:38,150 --> 00:28:44,530
ู‡ุฐู‡ ุนู„ู‰ ุญุฏู‰ ู†ู‚ุทุชูŠู† ูุจุทู„ ุชุตูŠุฑ one to one ุฅุฐุง ุฃู†ุช
274
00:28:44,530 --> 00:28:49,670
ุจุฏูƒ ุชุญุตุฑ ู†ูุณูƒ ููŠ ู…ู†ุทู‚ุฉ ู…ู† ุงู„ู€ Domain ุชุถู…ู† ู…ู† ุฎู„ุงู„ู‡ุง
275
00:28:49,670 --> 00:28:54,270
ุฃู† ุงู„ุฏุงู„ุฉ ุชูƒูˆู† one to one ู„ูˆ ุฌูŠู†ุง ูˆ ู‚ู„ู†ุง ู„ู‡ุฐุง ุงู„ู„ู‡
276
00:28:54,270 --> 00:28:59,310
ูŠูŠุณู‡ู„ ุนู„ูŠูƒ ุฃู†ุช ู…ุด ู„ุงุฒู… ุฃู†ุช ูˆ ุฌูŠู†ุง ู„ู‡ุงู„ู†ุต ู‡ุฐุง ูˆ ู‚ู„ู†ุง
277
00:28:59,310 --> 00:29:04,830
ู„ู‡ ุฃู†ุช ุฒูŠู‡ ู…ุด ู„ุงุฒู… ูˆ ุฌูŠู†ุง ู„ู‡ุฐุง ูˆ ู‚ู„ู†ุง ู„ู‡ ุฃู†ุช ุฒูŠู‡
278
00:29:04,830 --> 00:29:10,710
ู‡ูŠูƒ ู…ุด ู„ุงุฒู… ูŠุนู†ูŠ ูƒุฃู†ู‡ ุญุตุฑู†ุง ุงู„ุฏุงู„ุฉ ู…ู† ุนู†ุฏ ุงู„ู†ู‚ุทุฉ
279
00:29:10,710 --> 00:29:17,930
ู‡ุฐู‡ zero ู„ุบุงูŠุฉ ุฌุฏุงุด ู„ุบุงูŠุฉ ฯ€ ุนู† ุทุฑูŠู‚ ุฒุฑุนูŠุฉ ฯ€ ู…ู†
280
00:29:17,930 --> 00:29:25,830
ู†ุต ุงู„ู‚ุทุนุฉ ุงู„ุฃูˆู„ู‰ ู„ุบุงูŠุฉ
281
00:29:25,830 --> 00:29:31,610
ู‡ู†ุง ุจู‡ุฐุง ุงู„ุดูƒู„ ุชู…ุงู…ุŸ ุนู„ูŠู†ูŠ ุงุฑุณู… horizontal line ููˆู‚
282
00:29:31,610 --> 00:29:36,410
ูˆู„ุง ุชุญุชุŒ ุจุชู„ุงู‚ูŠ ู‚ุทุนุฉ ู…ู†ุญู†ู‰ ููŠ ู†ู‚ุทุฉ ูˆุงุญุฏุฉ ูŠุชุฌู‡ู‰
283
00:29:36,410 --> 00:29:42,670
ุงู„ุถู…ู† ุฃู† ุงู„ุฏุงู„ุฉ ู‡ุฐู‡ ู…ุงู„ู‡ุง ุตุงุฑุช one to one ู…ุฏุงู…
284
00:29:42,670 --> 00:29:48,230
ุตุงุฑุช one to oneุŒ ุฅุฐุง ุงู„ู…ุนูƒูˆุณ ู…ุงู„ู‡ุง ู…ูˆุฌูˆุฏุŒ ู…ู…ุชุงุฒ
285
00:29:48,230 --> 00:29:54,550
ู…ุฏุงู… ุงู„ู…ุนูƒูˆุณ ู…ูˆุฌูˆุฏุŒ ุจุฏู†ุง ู†ุชุนุฑู ุนู„ู‰ ุดูƒู„ ู‡ุฐุง ุงู„ู…ุนูƒูˆุณ
286
00:29:55,110 --> 00:30:01,830
ูŠุจู‚ู‰ ู‡ุฐุง ู…ุญูˆุฑ X ู‡ุฐุง ู…ุญูˆุฑ Y ู‡ุฐู‡ ู†ู‚ุทุฉ ุงู„ุฃุตู„ ุงู„ู„ูŠ ู‡ูŠ
287
00:30:01,830 --> 00:30:09,330
Z ู„ุงุญุธ ุงู„ุฎุท ู‡ุฐุง ุงู„ุฑุฃุณูŠ ู‡ูˆ X ูŠุณุงูˆูŠ ฯ€/2
288
00:30:09,330 --> 00:30:15,910
ู„ู…ุง ู†ู‚ู„ ูˆ ู†ุตูŠุฑ ุงู„ุฎุท Y ุชุณุงูˆูŠ ฯ€/2 ุฅุฐุง ู„ูˆ
289
00:30:15,910 --> 00:30:22,970
ุฌูŠุช ู‚ู„ุช ู‡ุฐู‡ ู‡ูŠ ฯ€/2 ูˆู‡ุฐู‡ ู‡ูŠ ู…ูŠู† ู‡ุฐู‡ ู‡ูŠ
290
00:30:22,970 --> 00:30:30,170
ฯ€ ุชู…ุงู… ูˆ ุฑูˆุญุช ูˆ ู‚ู„ุช ู‡ุงูŠ ุงู„ุฎุท ุงู„ู„ูŠ ุนู†ุฏู†ุง Y ุชุณุงูˆูŠ Y
291
00:30:30,170 --> 00:30:36,090
ุนู„ู‰ 2 ุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ู†ุง ุงุจู‚ู‰ ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ู‡ูŠ
292
00:30:36,090 --> 00:30:41,390
0 ูˆ 1 ุดูˆ ุจูŠุตูŠุฑ 1 ูˆ 0 1 ูˆ 0 ุงู„ู„ูŠ ู‡ูŠ
293
00:30:41,390 --> 00:30:45,770
ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ุนู†ุฏู†ุง ู‡ุฐู‡ ู‡ุฐู‡ ุงู„ู†ู‚ุทุฉ 1 ูˆ 0 ุฑูˆุญู†ุง
294
00:30:45,770 --> 00:30:51,780
ุฌู„ุจู†ุง ุงู„ู…ู†ุญู†ู‰ ุนุจุฑ ุงู„ุฎุท Y ุชุณุงูˆูŠ X ูุฃุตุจุญ ุดูƒู„ู‡ ุจู‡ุฐุง
295
00:30:51,780 --> 00:30:57,040
ุงู„ุดูƒู„. ุทูŠุจ ู‡ู†ุชู‚ู„ ู…ู†ู‡ุง. ุจุฏู†ุง ู†ุฌูŠ ู„ู„ู†ู‚ุทุฉ ู‡ุฐู‡. ู‡ุฐู‡
296
00:30:57,040 --> 00:31:02,540
ุงู„ู†ู‚ุทุฉ ุงู„ู„ูŠ ู‡ูŠ ฯ€ ูˆ -1. ุชุตูŠุฑ -1 ูˆ
297
00:31:02,540 --> 00:31:09,040
ฯ€. ูˆูŠู†ูƒ -1ุŸ ู‡ุงูŠ -1 ูˆ ุฒูŠุฑุฉ ุงู„ู€ -
298
00:31:09,040 --> 00:31:14,440
1 ูˆ ฯ€ุŒ ุจุฏู‡ุง ุชุฌูŠ ู†ูˆุนูŠุง ููˆู‚. ูˆุงู„ู…ู†ุญู†ู‰ ุจุฏุฑูŠุฌูŠ
299
00:31:14,440 --> 00:31:21,020
ู†ุงุฒู„ ูˆูŠู…ุดูŠ ู‡ูˆ ู…ุญุชุฑู… ู…ุน ู…ูŠู†ุŸ ู…ุน ุงู„ุฎุท Y ุชุณุงูˆูŠ 2 ู‡ุฐุง
300
00:31:21,020 --> 00:31:27,380
ุงู„ุฎุท ูŠู…ุดูŠ ู…ุน ุงู„ู€ X ูŠุณุงูˆูŠ ฯ€/2 ูˆู‡ุฐุง ุงู„ุฎุท ูŠู…ุดูŠ
301
00:31:27,380 --> 00:31:33,100
ู…ุน ู†ูุณ ุงู„ุฎุท X ูŠุณุงูˆูŠ ฯ€/2 ุงู„ู€ X ุตุงุฑุช Y ูŠุจู‚ู‰ ู‡ุฐุง
302
00:31:33,100 --> 00:31:37,180
ุจูŠุจู‚ู‰ ู…ุงุดูŠ ู…ุน ู†ูุณ ุงู„ุฎุท Y ุชุณุงูˆูŠ Y ุนุชู†ูŠู† ูˆู‡ุฐุง ู…ุงุดูŠ
303
00:31:37,180 --> 00:31:42,680
ู…ุน ู†ูุณ ุงู„ุฎุท Y ุชุณุงูˆูŠ Y ุนุชู†ูŠู† ูƒูŠู ุญุฏุซ ุฐู„ูƒุŸ ุญุทูŠู†ุง
304
00:31:42,680 --> 00:31:47,760
ุงู„ุฎุท Y ุชุณุงูˆูŠ X ุฌู„ุจู†ุง ู‡ุฐุง ุงู„ุฑุณู… ุชุญุช ูˆุฌู„ุจู†ุง ู‡ุฐุง
305
00:31:47,760 --> 00:31:53,780
ุงู„ุฑุณู… ููˆู‚ ูุตุฑุช ุนู„ู‰ ุงู„ุดูƒู„ ู„ุฃู† ู‡ุฐุง ุฅุฐุง ุจุฏู†ุง ู†ูŠุฌูŠ
306
00:31:53,780 --> 00:31:59,540
ู„ุจุนุถ ุงู„ุฎูˆุงุต ู„ู‡ุฐุง ุงู„ู…ู„ุญู†ุฉ ูŠุจู‚ู‰ ุจุฏู†ุง ู†ูŠุฌูŠ ุงู„ู€
307
00:32:00,630 --> 00:32:12,610
Properties of Y ุชุณุงูˆูŠ Sec Inverse X ุงู„ุฎุงุตูŠุฉ
308
00:32:12,610 --> 00:32:21,430
ุงู„ุฃูˆู„ู‰ ุฎุงุตูŠุฉ ุงู„ุฃูˆู„ู‰ ุงู„ู€ Domain ุจุชุงุจุน ุงู„ู€ Sec Inverse
309
00:32:21,430 --> 00:32:29,060
X ุจุฏู‡ ูŠุณุงูˆูŠ ู…ู† ูˆูŠู† ู„ูˆูŠู† ู…ู† ุงู„ูˆุงุญุฏ ุชุฐู‡ุจ ู„ู…ู„ู†ุฉ ู‡ุฐุง
310
00:32:29,060 --> 00:32:34,760
ูˆู…ู† ุงู„ุณุงู„ุจ ูˆุงุญุฏ ุชุฑุฌุน ู„ุณุงู„ุจ ู…ู„ู†ุฉ ุฅุฐุง ู…ู† ุณุงู„ุจ
311
00:32:34,760 --> 00:32:40,400
Infinity ู„ุณุงู„ุจ ูˆุงุญุฏ ูˆู‡ูŠ ู…ุบู„ู‚ุฉ ู…ู† ุนู†ุฏ ุงู„ุณุงู„ุจ ูˆุงุญุฏ
312
00:32:40,400 --> 00:32:44,580
ู„ุฃู† ุงู„ู…ุฏู„ุฉ ุนู†ุฏ ุงู„ุณุงู„ุจ ูˆุงุญุฏ ุจุชุญุทูŠู†ุง ูƒู…ุŸ ฯ€ ูŠุนู†ูŠ
313
00:32:44,580 --> 00:32:52,840
ุงู„ู†ู‚ุทุฉ ู‡ุฐู‡ -1 ูˆ ฯ€ ูƒู†ู‚ุทุฉ ูƒุฅุญุฏุงุซูŠุฉ ู†ู‚ุทุฉ
314
00:32:52,840 --> 00:32:58,580
ูˆู„ูŠุณ ูƒูุชุฑุฉ ุฅุฐุง ู…ู† ุณุงู„ุจ Infinity ู„ุบุงูŠุฉ -1
315
00:32:58,580 --> 00:33:05,940
ู…ุถูŠู ุนู„ูŠู‡ุง ุงู„ูุชุฑุฉ ู…ู† 1 ู„ุบุงูŠุฉ Infinity ู‡ุฐุง ุงู„ู€
316
00:33:05,940 --> 00:33:13,160
Domain ู†ุฌูŠ ุงู„ู€ Range ุงู„ู€ Range and ุงู„ู€ Range ุจุชุงุจุน ุงู„ู€
317
00:33:13,160 --> 00:33:19,540
Sec Inverse X ุจุฏู‡ ูŠุณุงูˆูŠ ู…ู† 0 ู„ุบุงูŠุฉ ฯ€ ุจุณ ุจูŠู†ุง
318
00:33:19,540 --> 00:33:24,760
ู†ุดูŠู„ ู…ู†ู‡ Main ฯ€/2 ู„ุฅู†ู‡ ู‡ุฐุง ุงู„ู‚ูŠู…ุฉ ุบูŠุฑ
319
00:33:24,760 --> 00:33:30,560
ู…ูˆุฌูˆุฏุฉ ูŠุจู‚ู‰ ุจู†ูŠุฌูŠ ุจู†ู‚ูˆู„ู‡ ุงูŠู‡ ู…ู† ุนู†ุฏ ุงู„ู€ Closed
320
00:33:30,560 --> 00:33:35,160
Interval 0 ู„ุบุงูŠุฉ ฯ€/2 Open Interval
321
00:33:35,160 --> 00:33:42,950
ุงุชุญุงุฏ ฯ€/2 ูˆ ฯ€ ุจุงู„ุดูƒู„ ุงู„ู„ูŠ ุนู†ุฏู†ุง ูˆุงุญุฏ
322
00:33:42,950 --> 00:33:47,010
ุฃุชูŠ ูˆู‚ุงู„ ู„ูŠ ุฃู†ุง ุจู‚ุฏุฑ ุฃุตูŠุฑ ู‡ุฐู‡ ุงู„ู€ Interval ุจุทุฑูŠู‚ุฉ
323
00:33:47,010 --> 00:33:53,270
ุฃุฎุฑู‰ุŒ ุจู‚ูˆู„ู‡ ูƒุฏู‡ุŒ ุจู‚ูˆู„ูŠ ู‡ุฐุง ุจู‚ูˆู„ ู‡ูŠ ุงู„ู€ Real Line
324
00:33:53,270 --> 00:33:58,390
ูƒู„ู‡ุงุŒ ุจุฏูŠ ุฃุดูŠู„ ู…ู†ู‡ุง ุจุณ ุงู„ูุชุฑุฉ ุงู„ู…ูุชูˆุญุฉ ู…ู† ุณุงู„ุจ
325
00:33:58,390 --> 00:34:03,180
1 ุฅู„ู‰ 1 ู„ูŠุด ุงู†ู‡ ุนู†ุฏ ุงู„ู€ 1 ูˆ -1 ูŠุฏู„ู‡ุง
326
00:34:03,180 --> 00:34:08,700
ู…ุนุฑูุฉุŒ ูŠุนู†ูŠ ู‡ุฐุง ุฑุงุญ ู‚ุงู„ู„ูŠ ู‡ุฐู‡ ุจุฏูŠ ุงูƒุชุจู‡ุง ูƒู„ ุงู„ู€
327
00:34:08,700 --> 00:34:13,900
Real LineุŒ ุจุฏูŠ ุงุดูŠู„ ู…ู†ู‡ ุงู„ูุชุฑุฉ ู…ู† -1 ุฅู„ู‰
328
00:34:13,900 --> 00:34:19,710
1 ู…ุธุจูˆุทุŸ ูŠุง ุจุฌูŠ ู‡ุฐุง ุงู„ุตูŠุงุบุฉ ุตุญูŠุญุฉ ุงุฌุง ูˆุงุญุฏ ุซุงู„ุซ
329
00:34:19,710 --> 00:34:26,110
ุฌุงู„ูŠ ุฃู†ุง ุจุจุตูŠุฉ ู‡ุฐุง ุงู„ูƒู„ุงู… ุจุตูŠุงุบุฉ ุฃุฎุฑู‰ ุจู‚ูˆู„ูƒ ุงูŠู‡ุŸ
330
00:34:26,110 --> 00:34:31,430
ุฌุงู„ูŠ Dominate Second Class ูƒู„ ุงู„ุนู†ุงุตุฑ X ุจุญูŠุซ ุฃู†
331
00:34:31,430 --> 00:34:37,710
Absolute Value ู„ู€ X ุฃูƒุจุฑ ู…ู† ุฃูˆ ุชุณุงูˆูŠ 1 ุตุญุŸ ู„ู…ุง
332
00:34:37,710 --> 00:34:43,410
ู†ู‚ูˆู„ Absolute Value ู„ู€ X ุฃูƒุจุฑ ู…ู† ุฃูˆ ุชุณุงูˆูŠ ุงู„ู€ 1ุŒ
333
00:34:43,410 --> 00:34:50,350
ูŠุนู†ูŠ ุงู„ู€ X ุฃูƒุจุฑ ู…ู† ุงู„ู€ 1 ูˆ ุฃู‚ู„ ู…ู† ุซุงู„ุซ 1ุŒ or
334
00:34:50,350 --> 00:34:55,050
ุชู…ุงู…ุŸ ุฅู…ุง ู‡ุฐู‡ ูˆุฅู…ุง ุชู„ูƒุŒ ูŠุจู‚ู‰ ู‡ูŠ ู‡ุฐู‡ ูˆู„ุง ู„ุงุŸ ูŠุจู‚ู‰
335
00:34:55,050 --> 00:35:00,270
ุนู†ุฏูƒ ุตูŠุฑุฉ ุชูŠู† ุชูŠู† ุซู„ุงุซุฉ ูƒู„ู‡ ุจูŠุฃุฏู‰ ุงู„ู‰ ู†ูุณ ู…ูŠู†
336
00:35:00,270 --> 00:35:05,150
ุงู„ู…ุนู†ู‰ ู‡ุฐุง ู…ูŠู† ุงูŠู‡ ุงู„ุฏู†ูŠุง ูˆุงุญุฏ ู‚ุงู„ ู„ู‡ ุจูŠุฏุงุฌูŠ ู„ู„
337
00:35:05,150 --> 00:35:09,410
Range ู‡ุฐุง ูˆ ุจุฏูŠ ุฃุตูŠุจู‡ ุจุงู„ุตูŠุฑุฉ ุงู„ุฃุฎุฑู‰ ู‚ู„ุช ู„ู‡ ุฃูŠู‡ุง
338
00:35:09,410 --> 00:35:15,450
ู‚ุงู„ ุจูŠุฏุงุฌูŠู‡ ู„ู€ Closed Interval ู…ู† 0 ู„ู€ ฯ€ ู†ู‚ุต ุงู„ู€
339
00:35:15,450 --> 00:35:20,330
ฯ€ as a set ูƒูŠู ูŠุนู†ูŠุŸ ูŠุนู†ูŠ ุฑุงุญ ุฌุงู„ูŠ ู‡ุฐู‡ ู…ู† 0
340
00:35:20,330 --> 00:35:26,550
ู„ุบุงูŠุฉ ุงู„ู€ ฯ€ ููŠ ู†ู‚ุทุฉ ู…ุด ู…ุนุฑูุฉ ุนู†ุฏู‡ุง ุงู„ู„ูŠ ู‡ูˆ ฯ€/
341
00:35:26,550 --> 00:35:34,250
2 ุจู‚ูˆู„ู‡ ู†ุงู‚ุต ุงู„ู€ ฯ€/2 as a set is
342
00:35:34,250 --> 00:35:38,130
equivalent to
343
00:35:39,390 --> 00:35:46,390
ู†ุดูˆู ู‡ุฐู‡ ู…ูƒุงูุฆุฉ ู„ู…ู†ุŸ Sec ุงู„ู€ Y ูŠุณุงูˆูŠ X ู†ู‚ุทุฉ ุซุงู„ุซุฉ
344
00:35:46,390 --> 00:35:54,030
ุจุฏู†ุง Sec Inverse ู„ู€ Sec ุงู„ู€ X ุจุฏ ูŠุณุงูˆูŠ X ุฅุฐุง ูƒุงู†ุช ุงู„ู€ X
345
00:35:54,030 --> 00:36:01,100
ููŠ Domain ุงู„ู€ SecุŒ Domain ุงู„ู€ Sec ุงุดุชุฑู‚ู†ุง ู…ู† ูˆูŠู† ู„ูˆูŠู† ู…ู† ุนู†ุฏ
346
00:36:01,100 --> 00:36:06,440
ุงู„ู€ 0 ู„ุบุงูŠุฉ ุงู„ู€ ฯ€ ุจุณ ุจู†ุดูŠู„ ู…ู†ู‡ู… ู…ู† ุงู„ู€ ฯ€ ุฅุฐุง X
347
00:36:06,440 --> 00:36:12,560
ู…ูˆุฌูˆุฏุฉ ู…ู† ุนู†ุฏ ุงู„ู€ 0 ู„ุบุงูŠุฉ ุงู„ู€ ฯ€/2 ุงุชุญุงุฏ
348
00:36:12,560 --> 00:36:17,280
ฯ€/2 ูˆ ฯ€ ุจุงู„ุดูƒู„ ู‡ุฐุง and
349
00:36:19,640 --> 00:36:29,020
Sec ู„ู€ Sec Inverse X ุจุฏู„ ุชุณุงูˆูŠ X ุฅุฐุง ูƒุงู†ุช ุงู„ู€ X ู…ูˆุฌูˆุฏุฉ
350
00:36:29,020 --> 00:36:35,220
ููŠ ุงู„ู€ Domain Sec Inverse ู…ู† ุณุงู„ุจ Infinity ู„ุบุงูŠุฉ
351
00:36:35,220 --> 00:36:45,080
-1 ุงุชุญุงุฏ 1 ูˆ Infinity ุงู„ู†ู‚ุทุฉ ุงู„ุฑุงุจุนุฉ ู„ูˆ
352
00:36:45,080 --> 00:36:51,520
ุฑูˆุญุช ู‚ู„ุช ุฃุฎุฏุช Limit ู„ู€ Sec Inverse X ู„ู…ุง ุงู„ู€ X tends
353
00:36:51,520 --> 00:36:56,420
to Infinity ู„ู…ุง ุงู„ู€ X ุชุฑูˆุญ ุงู„ู€ Infinity ุงู„ุฏุงู„ุฉ ุทุงู„ุนุฉ
354
00:36:56,420 --> 00:37:04,500
ู„ูˆูŠู†ุŸ ูˆู„ูˆ ุฑูˆุญุช ุฃุฎุฏุช ุงู„ู€ Limit ู„ู€ Sec Inverse X ู„ู…ุง
355
00:37:04,500 --> 00:37:11,360
ุงู„ู€ X ุจุฏู‡ุง ุชุฑูˆุญ ู„ู€ -Infinity ุฏุงู„ุฉ ู†ุงุฒู„ุฉ ู„ู…ูŠู†ุŸ ู„ู†ูุณ
356
00:37:11,360 --> 00:37:17,140
ุงู„ุฑู‚ู… ุงู„ู„ูŠ ู‡ูˆ ฯ€/2 ูŠุจู‚ู‰ ุนู„ู‰ ูƒู„ ุงู„ุฃู…ุฑูŠู†
357
00:37:17,140 --> 00:37:25,350
ุงุซู†ูŠู† ุจูŠุนุทูˆู‡ ู†ูุณ ุงู„ุฅุฌุงุจุฉ ุชู…ุงู…ุŸ ุงู„ุขู† ูˆุตู„ู†ุง ู„ู„ู†ู‚ุทุฉ
358
00:37:25,350 --> 00:37:33,950
ุงู„ุณุงุฏุณุฉ ูˆุงู„ุฃุฎูŠุฑุฉ Y ุชุณุงูˆูŠ Cosecant Inverse X ุงู„ู„ูŠ
359
00:37:33,950 --> 00:37:38,590
ู‡ูˆ Arc Cosecant LX
360
00:37:44,400 --> 00:37:50,120
ุฃู‡ ู…ุฑุณูˆู…ุฉ ุนู†ุฏูƒ ููŠ ุงู„ูƒุชุงุจ ูˆูŠู„ุง ุฑูˆุญ ุจุฏูƒ ุชุนู…ู„ ุงู„ุฃุฑุจุน
361
00:37:50,120 --> 00:37:55,740
ุฎูˆุงุต ู„ู‡ุงุŒ ุทุจุนุง ููŠ ุงู„ูƒุชุงุจ ู…ุด ู…ุณุงูˆูŠุฉ ู„ุฎูˆุงุตูƒุŒ ุญูƒูŠุชู‡ุง
362
00:37:55,740 --> 00:37:59,780
ุจุฃูƒู„ ูˆุฃู†ุช ุจูƒุชุจ ุงุนู…ู„ ู…ุงู„ูŠ ูˆุงุทู„ุน ุนุงู„ูŠ ูˆุชุฑุณู…ู‡ุง
363
00:37:59,780 --> 00:38:03,060
ุทุจุนุง ู…ุฑุณูˆู…ุฉ ุนู†ุฏูƒ ุงู„ู€ Cosecant ู…ุฑุณูˆู…ุฉ ูˆู…ุฑุณูˆู…ุฉ ุงู„ู€
364
00:38:03,060 --> 00:38:06,760
Cosecant Inverse ูˆุจุฏูƒ ุชุฑูˆุญ ูˆุชุทู„ุน ู„ุฎูˆุงุตูƒุŒ ุงูŠู‡
365
00:38:06,760 --> 00:38:10,740
ุงู„ูˆุถุนุŸ ุฑู‚ู… 1ุŒ 2ุŒ ุณุงุฑู‚ 1ุŒ 1ุŒ 2ุŒ
366
00:38:10,740 --> 00:38:11,500
2ุŒ 2ุŒ 2ุŒ 2ุŒ 2ุŒ 2ุŒ 2ุŒ
367
00:38:11,500 --> 00:38:12,320
2ุŒ 2 ูƒูŠูุŸ
368
00:38:17,530 --> 00:38:22,470
ุจูŠู†ุฌูŠ ู„ูƒ ุฅู†ูŠ ุทู„ุนุชู‡ุงุŸ Open Interval ู‡ุงุฏูŠ ู…ุด Closed
369
00:38:22,470 --> 00:38:27,610
ู„ูˆ ูƒุงู†ุช Closed ูƒุงู† ุทู„ุนุชู‡ุง ุตุญูŠุญ ู„ูƒู† ูƒุงู†ู‡ุง Open ูŠุจู‚ู‰
370
00:38:27,610 --> 00:38:32,550
ุทู„ุช ููŠ ุงู„ู€ DomainุŒ ู…ุธุจูˆุท ูˆู„ุง ู„ุงุŸ ุตุญุŸ ุนุงุฏุฉ ู‡ูˆุŒ ุฏูŠ
371
00:38:32,550 --> 00:38:37,260
ุฑุจุงู„ุฉุŒ ุตุญ ุตุญูŠุญ ูƒูˆูŠุณ ู„ูˆ ูƒุชุจุชู‡ุง ูƒู€ Closed Interval
372
00:38:37,260 --> 00:38:43,020
ุจูŠุตูŠุฑ ูƒู„ุงู†ูŠ ุบู„ุท ูŠุนู†ูŠ ุจูŠุตูŠุฑ ูƒุฃู† ุงู„ุดู„ุช ุงู„ุณุงู„ุจ 1
373
00:38:43,020 --> 00:38:47,080
ูˆุงู„ู€ 1 ู…ู† ุงู„ู€ Domain ู‡ุฐุง ู„ูˆ ุญุทูŠุชู‡ุง Closed ุทุจุนุง ู„ูƒู†
374
00:38:47,080 --> 00:38:51,840
ูƒู„ู‡ุง Open by ู„ูˆูŠู† ููŠ ุงู„ู€ Domain ูู‚ู„ุช ู„ูƒ ู‡ุฐู‡ ุงู„ุนุจุงุฑุฉ
375
00:38:51,840 --> 00:38:58,230
ุชูƒุงูุฆู‡ุง ู‡ุฐู‡ ุงู„ุนุจุงุฑุฉ ุชู…ุงู…ุง ู…ุงุดูŠุŸ ุงุญู†ุง ุญุชู‰ ู„ุฅู† ุชุจู‚ู‰
376
00:38:58,230 --> 00:39:03,950
ู†ุฎู„ุตู†ุง ุงู„ุฌุฒุก ุงู„ุฃูˆู„ ุงู„ู†ุธุฑูŠ ุชุจุน ู‡ุฐุง ุงู„ู€ section ู„ุณู‡
377
00:39:03,950 --> 00:39:07,830
ููŠู‡ ุฌุฒุกูŠู† ุฎู„ูŠู†ูŠ ู†ุงุฎุฏ ุดูˆูŠุฉ ุฃู…ุซู„ุฉ ุนู„ู‰ ู‡ุฐุง ุงู„ุฌุฒุก
378
00:39:07,830 --> 00:39:13,930
ูˆุจุนุฏู‡ุง ุฅู† ุดุงุก ุงู„ู„ู‡ ุจู†ูˆุงุตู„ ููŠ ุงู„ุฃุณุจูˆุน ุงู„ู‚ุงุฏู… ุจู‚ูŠุฉ
379
00:39:13,930 --> 00:39:21,100
ู‡ุฐู‡ ุงู„ุฃุฌุฒุงุก ุฎู„ูŠู†ูŠ ู†ุงุฎุฏ ุจุนุถ ุงู„ุฃู…ุซู„ุฉ ุนู„ู‰ ู…ุง ุฏุฑุณู†ุงู‡
380
00:39:21,100 --> 00:39:27,480
ูŠุจู‚ู‰ ู„ุณู…ุนุชู‡ ุชู‚ูˆู‰ ู†ุธุฑู‡ุง ุจู†ุง ู†ุญุท ุนู„ูŠู‡ ุจุนุถ ุงู„ุฃุณุฆู„ุฉ
381
00:39:27,480 --> 00:39:38,220
ูŠุจู‚ู‰ ุจู†ูŠุฌูŠ ู„ู€ examples ูŠุจู‚ู‰ ู…ุซุงู„ ุงู„ุฃูˆู„ example one
382
00:39:38,220 --> 00:39:44,860
ุจู‚ูˆู„ find the
383
00:39:44,860 --> 00:39:45,580
domain
384
00:39:55,490 --> 00:40:03,470
ุจุชุณุงูˆูŠ cos inverse ู„ู€ ุงุซู†ูŠู† ุฃุณ ุฅูƒุณ ู†ุงู‚ุต ุฎู…ุณุฉ ูƒู„ู‡
385
00:40:03,470 --> 00:40:07,230
ู…ู‚ุณูˆู… ุนู„ู‰ ุซู„ุงุซุฉ
386
00:40:16,620 --> 00:40:24,820
ุฃูˆ ู†ู…ุณุญ ุญุงุฌุฉ ู…ุง ุฃุนุฑูุด ู„ุฒูˆู… ุจูŠู‚ูˆู„
387
00:40:24,820 --> 00:40:29,300
ุงู‡ุชู„ูŠ domain ู‡ุฐู‡ ุงู„ุฏุงู„ุฉ ูŠุจู‚ู‰ ุงุญู†ุง ุจูŠุฑูˆุญ ู†ุจุญุซ ุนู„ู‰
388
00:40:29,300 --> 00:40:34,340
domain ุงู„ุฏุงู„ุฉ ู‡ุฐู‡ ูุจุฌูŠ ุจู‚ูˆู„ู‡ domain ุงู„ุฏุงู„ุฉ F ู‡ูˆ
389
00:40:34,340 --> 00:40:40,160
ุนุจุงุฑุฉ ุนู† ูƒู„ ุงู„ุนู†ุงุตุฑ X ุจุญูŠุซ ุฅู† ู„ูˆ ุฑุฌุนุช ู„ูƒ cosine
390
00:40:40,160 --> 00:40:45,210
inverse X domain ุชุจุนู‡ุง ู…ู† ูˆูŠู† ู„ูˆูŠู† ุนุดุงู† ุชูƒูˆู† ุงู„ู€
391
00:40:45,210 --> 00:40:49,590
cosine inverse X ู…ูุนุฑูุฉ ู„ุงุฒู… ุชูƒูˆู† ุงู„ุฒุงูˆูŠุฉ ุชุจุนุชู‡ุง ู„ู€
392
00:40:49,590 --> 00:40:54,050
X ู…ุญุตูˆุฑุฉ ุจูŠู† ุณุงู„ุจ ูˆุงุญุฏ ูˆูˆุงุญุฏ ู„ูƒู† ุงุญู†ุง ู…ุง ุนู†ุฏู†ุงุด X
393
00:40:54,050 --> 00:40:58,430
ุนู†ุฏู†ุง ุงุซู†ูŠู† ุฃุณ ุงูƒุณ ู†ุงู‚ุต ุฎู…ุณุฉ ุนู„ู‰ ุซู„ุงุซุฉ ุฅุฐุง ู‡ุฐุง ูƒู„ู‡
394
00:40:58,430 --> 00:41:02,990
ุจูŠูƒูˆู† ู…ุญุตูˆุฑ ุจูŠู† ู…ู† ูˆ ุงูŠู†ุŸ ุณุงู„ุจ ูˆุงุญุฏ ูˆูˆุงุญุฏ ูŠุจู‚ู‰
395
00:41:02,990 --> 00:41:08,750
ุงู„ู€ Such ุฏู‡ ุงู„ู„ูŠ ู‡ูˆ ู„ู€ ุงุซู†ูŠู† ุฃุณ ุฅูƒุณ ู†ุงู‚ุต ุฎู…ุณุฉ ุนู„ู‰ ุซู„ุงุซุฉ
396
00:41:08,750 --> 00:41:13,290
ูŠุจู‚ู‰ ุฃู‚ู„ ู…ู† ุงุซู†ูŠู† ูŠุจู‚ู‰ ุซูŠุชุง ุฌุฏุงุด ุจุฏู‡ ุชุณุงูˆูŠ
397
00:41:37,970 --> 00:41:44,350
ุฎู„ูŠู†ุง ู…ุน ุงู„ููƒุฑุฉ ู‡ุฐู‡ ูˆู†ุงุฎุฏ ุงู„ู†ู‚ุทุฉ ุฑู‚ู… B ุฑู‚ู… B ุจูŠู‚ูˆู„
398
00:41:44,350 --> 00:41:52,330
ุฅูŠุดุŸ ุจุฏูŠ ุงู„ู€ Sin Inverse ู„ู€ Sin ู…ู† ุณุจุนุฉ ุจุงูŠ ุนู„ู‰ ุซู„ุงุซุฉ
399
00:41:52,330 --> 00:41:57,550
ุงู„ุฌูˆุงุจ
400
00:41:57,550 --> 00:42:01,730
ู‡ุงุฏูŠุŒ ุจุชู„ุบูŠ ู‡ุงุฏูŠุŒ ูˆุงู„ู†ุชูŠุฌุฉ ุณุจุนุฉ ุจุงูŠ ุนู„ู‰ ุซู„ุงุซุฉุŒ ู…ุธุจูˆุทุŸ
401
00:42:05,600 --> 00:42:11,040
ุงุณุชู†ู‰ ุดูˆูŠุฉ ุงุณุชู†ู‰ ุดูˆูŠุฉ ูƒู„ ูƒู„ู…ุฉ ูƒุชุจู†ุงู‡ุง ุจุฏู†ุง ู†ูู‡ู…ู‡ุง
402
00:42:11,040 --> 00:42:15,940
ู„ูˆ ุฑุฌุนู†ุง ู„ู„ู€ sign inverse ู…ุดุงู† ุชุจู‚ู‰ ู‡ุฐู‡ exist ุจุฌู‡ุฉ
403
00:42:15,940 --> 00:42:22,360
ููŠ ุฏูˆู…ูŠู† ุงู„ู€ sign inverse ุฏูˆู…ูŠู† ุงู„ู€ sign inverse ู…ู†
404
00:42:22,360 --> 00:42:29,700
ูˆูŠู† ู†ูˆุนูŠุงุŸ ู…ู† ุณุงู„ุจ ูˆุงุญุฏ ู„ูˆุงุญุฏ. ู…ู† ุณุงู„ุจ ูˆุงุญุฏ ู„ูˆุงุญุฏ. ู…ู†
405
00:42:29,700 --> 00:42:29,960
ุณุงู„ุจ ูˆุงุญุฏ ู„ูˆุงุญุฏ. ู…ู† ุณุงู„ุจ ูˆุงุญุฏ ู„ูˆุงุญุฏ. ู…ู† ุณุงู„ุจ ูˆุงุญุฏ
406
00:42:29,960 --> 00:42:33,620
ู„ูˆุงุญุฏ. ู…ู† ุณุงู„ุจ ูˆุงุญุฏ ู„ูˆุงุญุฏ. ู…ู† ุณุงู„ุจ ูˆุงุญุฏ ู„ูˆุงุญุฏ. ู…ู†
407
00:42:33,620 --> 00:42:41,800
ุณุงู„ุจ ูˆุงุญุฏ ู„ูˆุงุญุฏ. ู…ู†
408
00:42:41,800 --> 00:42:42,460
ูˆุงุญุฏ ู„ูˆุงุญุฏ
409
00:42:48,240 --> 00:42:50,760
ูŠุนู†ูŠ ู…ุนู†ุงู‡ ุงุญู†ุง ู„ู… ู†ูู‡ู…ู‡ุง ู„ุฃู† ุฌุฒุก ู…ู† ุงู„ู…ู‚ุงุจู„ ุงู„ู„ูŠ
410
00:42:50,760 --> 00:42:54,920
ูƒุงุชุจูŠู†ู‡ ูŠุจู‚ู‰ ุงุดุชุฑุงู‚ ู…ุง ุนุดุงู† ู‡ุฐู‡ ุงู„ู€ sign inverse
411
00:42:54,920 --> 00:43:00,020
ู„ู€ sin ุงู„ู€ X ูŠุณุงูˆูŠ X ุชูƒูˆู† ุงู„ู€ X ููŠ ุฏูˆู…ูŠู† ุงู„ู€ sin ูŠุนู†ูŠ ู…ู†
412
00:43:00,020 --> 00:43:04,500
ุณุงู„ุจ ุจุงูŠ ุนู„ู‰ 2 ู„ู€ ุจุงูŠ ุนู„ู‰ 2 ู„ูƒู† ู‡ุฐุง ุงูŠุด ูŠุฌูŠุจู‡ุง ุฏูŠ ุฃูƒุซุฑ ุจุฑุฉ
413
00:43:04,500 --> 00:43:09,570
ูŠุจู‚ู‰ ุงู„ู„ูŠ ู…ูƒุชุจู„ูŠ ุณุจุนุฉ ุจุงูŠ ุนู„ู‰ ุซู„ุงุซุฉ ู…ู† ูƒู„ู‡ Zero ุทูŠุจ
414
00:43:09,570 --> 00:43:16,670
ูƒูŠูุŸ ุชุฏุจุฑูŠ ุญุงู„ูƒ ู†ู‚ูˆู„ sign inverse ู„ู…ู†ุŸ ู„ู„ู€ sign ู‡ุฐูŠ
415
00:43:16,670 --> 00:43:20,070
ุณุจุนุฉ ุจุงูŠ ุนู„ู‰ ุชู„ุงุชุฉ ู…ุด ุนุจุงุฑุฉ ุนู† ุงุซู†ูŠู† ุจุงูŠ ูˆ ุชู„ุช
416
00:43:20,070 --> 00:43:27,510
ุจุงูŠ ูˆ ุงุซู†ูŠู† ูˆ ุชู„ุช ุจุงูŠ ุตุญ ูˆู„ุง ู„ุฃุŸ ุณูƒุช ุงู„ุดุนุจ ู…ุด
417
00:43:27,510 --> 00:43:33,890
ุนุจุงุฑุฉ ุนู† ุงู„ู…ู…ุชุงุฒุŸ ูŠุจู‚ู‰ ู‡ุฐูŠ sign ู„ู€ ุงุซู†ูŠู† ุจุงูŠ ุฒุงุฆุฏ
418
00:43:33,890 --> 00:43:41,130
ุจุงูŠ ุนู„ู‰ ุชู„ุงุชุฉ ู…ุตุจูˆุฑุŸ ุทูŠุจ ู†ุฑุฌุน ุจุงู„ุฐุงูƒุฑุฉ ุฅู„ู‰ ุงู„ูˆุฑุงุก ู„ู€
419
00:43:41,130 --> 00:43:47,290
Calculus A ุชุงู† ุงูƒุณ ูˆุงู„ูƒุชุฑ ุชุงู† ุงูƒุณ ุงู„ุชุงู† ุชุงู† ุชุงู† ุชุงู†
420
00:43:47,290 --> 00:43:47,610
ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู†
421
00:43:47,610 --> 00:43:54,490
ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู† ุชุงู†
422
00:44:06,760 --> 00:44:12,800
ูŠุจู‚ู‰ ู‡ุฐุง ุงู„ูƒู„ุงู… ุจูŠุตูŠุฑ sign inverse ู„ู…ู†ุŸ ู„ู€ sign
423
00:44:12,800 --> 00:44:19,140
ุจุงูŠ ุนู„ู‰ ุซู„ุงุซุฉ ุงู„ุขู† ุจุงูŠ ุนู„ู‰ ุซู„ุงุซุฉ ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ูุชุฑุฉ ู…ู†
424
00:44:19,140 --> 00:44:22,900
ุณุงู„ุจ ุจุงูŠ ุนู„ู‰ ุงุซู†ูŠู† ู„ุจุงูŠ ุนู„ู‰ ุงุซู†ูŠู†ุŸ ุงู„ุฅุฌุงุจุฉ ุตุญุŒ ุฅุฐุง
425
00:44:22,900 --> 00:44:28,000
ุงู„ู†ุชูŠุฌุฉ ุฌุฏุงู‹ ุฃูŠูˆุฉ ูŠุง ุฑุจู‘ ุงู„ุนุงู„ูƒุŒ ุตุญ ุตุญุŒ ูŠุจู‚ู‰ ู‡ุฐู‡ ุชุณุงูˆูŠ
426
00:44:28,000 --> 00:44:33,410
ุจุงูŠ ุนู„ู‰ ุซู„ุงุซุฉ ูˆู„ูŠุณ ุงู„ุณุจุนุฉ. ุฏูŠ ุจุงู„ูƒ ุจู†ุฌูŠุจู‡ุง ููŠ
427
00:44:33,410 --> 00:44:38,130
ุงู„ุฎูŠุงุฑุงุช ุงู„ู…ุชุนุฏุฏุฉ. ุจู†ุนุทูŠูƒ ุดุบู„ ุฒูŠูƒ ูˆ ุจู†ุญุท ู‡ุฐุง ู…ู†
428
00:44:38,130 --> 00:44:41,430
ุถู…ู† ุงู„ุฅุฌุงุจุงุช. ูˆู„ุฐุง ุจู†ู„ุงู‚ูŠ ุฎู…ุณูŠู† ููŠ ุงู„ู…ุฆุฉ ู…ู†
429
00:44:41,430 --> 00:44:46,030
ุงู„ุทู„ุงุจ ูŠู‚ุนูˆุง ููŠ ู‡ุฐุง ุงู„ู‚ุทุน. ูŠุจู‚ู‰ ุฅูŠุงูƒ ุซู… ุฅูŠุงูƒ. ุจุฏูŠ
430
00:44:46,030 --> 00:44:51,270
ุฃุนุทูŠูƒ ูƒู…ุงู† ุณุคุงู„ ุฒูŠู‡ ุจู†ูุณ ุงู„ููƒุฑุฉุŒ ุจุณ ุดูˆู ู„ูŠู‡ ูƒูŠู.
431
00:44:51,910 --> 00:44:53,010
ุจุฏูŠ ุฃู†ู‡ูŠู†.
432
00:44:56,880 --> 00:45:06,160
ุจุฏูŠ ุงู„ู€ sign inverse ู„ู…ู†ุŸ ู„ู€ sign ุชุณุนุฉ ุจุงูŠ ุนู„ู‰ ุฎู…ุณุฉ
433
00:45:06,160 --> 00:45:09,620
ุชุณุนุฉ
434
00:45:09,620 --> 00:45:14,960
ุจุงูŠ ุนู„ู‰ ุฎู…ุณุฉ ู„ูŠุณุช ู…ูˆุฌูˆุฏุฉ ููŠ ุงู„ูุชุฑุฉ ุงู„ู„ูŠ ุณุงู„ุจ ุจุงูŠ
435
00:45:14,960 --> 00:45:21,640
ุนู„ู‰ ุงุซู†ูŠู† ุงู„ู„ูŠ ุจู‚ุนุช ู…ูˆุฌูˆุฏุฉ ุจุฑุง ุฅุฐุง ุชูุถู„ุŒ ุชูุถู„ุŒ
436
00:45:21,640 --> 00:45:26,820
ุชูุถู„ุŒ ุชูุถู„ุŒ ุชูุถู„ุŒ ุชูุถู„ุŒ
437
00:45:26,820 --> 00:45:33,770
ุชูุถู„ ุฃู‚ู„ ู…ู† ุงุซู†ูŠู† ุจุงูŠ ู‡ุฐู‡ ุจุณ ู‡ุฐู‡ ูƒุงู†ุช ุฃูƒุจุฑ ู…ู† ุงุซู†ูŠู†
438
00:45:33,770 --> 00:45:37,790
ุจุงูŠ ูุฏูˆุณ ุงุซู†ูŠู† ุจุงูŠ ุงู„ุฐุงุช ุทุจ ู…ุง ุชูƒุชุจ ู‡ุฐู‡ ุงุซู†ูŠู† ุจุงูŠ
439
00:45:37,790 --> 00:45:44,470
ู†ุงู‚ุต ู…ุด ุจุตูŠุฑ ูŠุนู†ูŠ ู…ุธุจูˆุท ูŠุจู‚ู‰ ู‡ุฐู‡ ูƒุฃู†ู‡ุง ุชุณุงูˆูŠ sign
440
00:45:44,470 --> 00:45:49,950
inverse ู„ู€ sign ุงุซู†ูŠู† ุจุงูŠ ู†ุงู‚ุต ุฃุจุตุฑ ูƒุฏู‡ุด
441
00:45:53,280 --> 00:45:58,840
ูˆุฃู†ุช ุจุชุนู„ู…ุด ูŠุง ุงุจู†ูŠ ู‡ุฐุงุŸ ุชุนุฑูุด ุชู‚ุฑุญ ุนุงุฏูŠุŸ ุจุงูŠ ุนู„ู‰
442
00:45:58,840 --> 00:46:05,690
ุฎู…ุณุฉ ูŠุจู‚ู‰ ุงุซู†ูŠู† ู†ุงู‚ุต ุฎู…ุณุฉ ูƒู„ู‡ ููŠ ุงู„ู€ pi ุจุงู„ุดูƒู„ ุงู„ู„ูŠ
443
00:46:05,690 --> 00:46:10,670
ุนู„ู†ุงู‡ ู‡ุฐุง ุงู„ุขู† ู‡ุฐู‡ ุงู„ู€ sign inverse ุงู„ู„ูŠ ู‡ูŠ ุงู„ู€ sign
444
00:46:10,670 --> 00:46:14,590
ุงุซู†ูŠู† ุจูŠ ุงู„ู€ period ุชุจุนู‡ุง ุงู„ุฏุงู„ุฉ ู…ุน ุงู„ุณู„ุงู…ุฉ ูŠุจู‚ู‰
445
00:46:14,590 --> 00:46:20,370
ุตุงุฑุช ุณุงู„ุจ ุจูŠ ุนู„ู‰ ุฎู…ุณุฉ ุตุงุฑุช ู…ูˆุฌูˆุฏุฉ ุฏุงุฎู„ ุงู„ูุชุฑุฉ ู…ู†
446
00:46:20,370 --> 00:46:24,050
ุณุงู„ุจ ุจูŠ ุนู„ู‰ ุงุซู†ูŠู† ู„ุจูŠ ุนู„ู‰ ุงุซู†ูŠู† ุฅุฐุง ุงู„ู†ุชูŠุฌุฉ ุชุณุงูˆูŠ
447
00:46:24,050 --> 00:46:32,170
ู†ุงู‚ุต ุจูŠ ุนู„ู‰ ุฎู…ุณุฉ ู„ู…ุง ู†ู†ุชู‡ูŠ ุจุนุฏ ู„ุงุฒู„ู†ุง ููŠ ู†ูุณ
448
00:46:32,170 --> 00:46:35,690
ุงู„ุฃู…ุซู„ุฉ ู„ู„ู…ุฑุฉ ุงู„ู‚ุงุฏู…ุฉ ุฅู† ุดุงุก ุงู„ู„ู‡