What is [math]\displaystyle \lim_{x \to 0} \frac{1-\cos x }{x^2} [/math]?
Why does [math] \displaystyle\lim_{x \to 0} \frac{\tan x}{\sin x} = 1[/math]?
מה זה [math]\displaystyle \lim_{x \to 0} \frac{1-\cos x }{x^2} [/math]?
מדוע [מתמטיקה] \displaystyle\lim_{x \to 0} \frac{\tan x}{\sin x} = 1[/math]?