$\cos^{-1}(\cos\frac{5\pi}{4})$=

E

Editor

Sep 18, 2022

$\cos^{-1}(\cos\frac{5\pi}{4})$=

Difficulty: Easy

A:

\frac{5\pi}{4}

B:

\frac{-5\pi}{4}

C:

\frac{-3\pi}{4}

D:

\frac{3\pi}{4}

ID: 63273db9ca83163ac3a11517