If \( y=\sin 2 \theta \) then find ' \( \theta \) ' where \( y \) w...

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If \( y=\sin 2 \theta \) then find ' \( \theta \) ' where \( y \) will be maximum
\( \mathrm{P} \)
(A) \( 90^{\circ} \)
(B) \( 60^{\circ} \)
W
(C) \( 45^{\circ} \)
(D) \( 32^{\circ} \)
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