Question

Period of $\sin^{2}x$is

• A. $\pi$
• B. $2\pi$
• C. $\frac{\pi}{2}$
• D. None of these

Answer 1

Answer: (A)

$\pi$

Answer 2

$\sin^{2}x = \frac{1 - \cos 2x}{2}$ $\Rightarrow$ Period $= \frac{2\pi}{2} = \pi.$