E
Editor
Sep 18, 2022
Which of the following is the solution set of $\sec x=-2$ where $0\lq x\leq 2\pi$
Difficulty: Easy
A:
${\frac{3\pi}{2},\frac{3\pi}{4}}$
B:
${\frac{7\pi}{2},\frac{\pi}{2}}$
C:
${3\pi,\frac{4\pi}{3}}$
D:
${\frac{2\pi}{3},\frac{4\pi}{3}}$
ID: 63273dbaca83163ac3a1308b