Question

The period of the function $f(x) = \sin^{2}x$ is

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

Answer 1

Answer: (B)

$\pi$

Answer 2

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