MCQ
Period of ${\sin ^2}x$ is
  • $\pi $
  • B
    $2\pi $
  • C
    $\frac{\pi }{2}$
  • D
    None of these

Answer

Correct option: A.
$\pi $
a
(a) ${\sin ^2}x = \frac{{1 - \cos 2x}}{2}$

==> Period $ = \frac{{2\pi }}{2} = \pi $.

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