Question

The period of $\sin^2 \theta$ is

• A. $\pi^2$
• B. $\pi$
• C. $2 \pi$
• D. $\pi / 2$

Answer 1

Answer: (B)

$\pi$

Answer 2

$\sin^{2} \theta = \frac{1- \cos2\theta}{2}$; Period $= \frac{2\pi}{2} = \pi$