Apa itu ilmu trigonometri?
Trigonometri
{'answer_start': array([-1]), 'answer_text': array([''], dtype=object)}




1
+
t
a

n

2


A
=


1

c
o

s

2


A



=
s
e

c

2


A


{\displaystyle 1+tan^{2}A={\frac {1}{cos^{2}A}}=sec^{2}A}

