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Single Variable Calculus

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Derivative of Arccos

SVCALC-EV8LAI

Find derivative of the function:

$$f(x)=\cfrac{1}{\arccos^2(x)}$$

A

$\cfrac{2}{\arccos^3(x)\sqrt{1-x^2}}$

B

$-\cfrac{2}{\arccos^3(x)\sqrt{1-x^2}}$

C

$-\cfrac{1}{\sqrt{1-x^2}}$

D

$\cfrac{1}{1-x^2}$