The period of the function \( f(x)=2 \sin ^{2} x+1 \) is: \( \mathr...

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The period of the function \( f(x)=2 \sin ^{2} x+1 \) is:
\( \mathrm{P} \)
(1) \( \frac{\pi}{2} \)
(2) \( \pi \)
W
(3) \( 2 \pi \)
(4) None of these
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