$\cos^{-1}(-x)$=

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$\cos^{-1}(-x)$=

E

Editor

Sep 18, 2022

$\cos^{-1}(-x)$=

Difficulty: Easy

A:

-x

B:

1/x

C:

\tan^{-1}x

D:

\pi-\cos^{-1}x

ID: 63273db9ca83163ac3a1156b