E
Editor
Sep 18, 2022
Derivative of ${\rm{cose}}{{\rm{c}}^{ - 1}}\left( x \right)$ is
Difficulty: Easy
A:
$ - \frac{1}{{|x|\sqrt {{x^2} - 1} }}$
B:
$ - \frac{1}{{|x|\sqrt {{x^2} + 1} }}$
C:
$ \frac{1}{{|x|\sqrt {{x^2} - 1} }}$
D:
$ - \frac{1}{{\sqrt {{x^2} - 1} }}$
ID: 63273db8ca83163ac3a1035f