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:
$\frac{3\pi}{4}$
Report issue
ID: 63273db9ca83163ac3a11517