If $\int_{0}^{\frac{\pi}{2}} \sin^{2}xdx=\frac{\pi}{4}$ then $\int_{-\pi}^{\pi}2\sin^{2}xdx$ equals:

E

Editor

Sep 18, 2022

If $\int_{0}^{\frac{\pi}{2}} \sin^{2}xdx=\frac{\pi}{4}$ then $\int_{-\pi}^{\pi}2\sin^{2}xdx$ equals:

Difficulty: Easy

A:

\pi

B:

\frac{\pi}{2}

C:

0

D:

2\pi

ID: 63273db9ca83163ac3a10d67