If \( 3 \sin ^{2} \alpha+2 \sin ^{2} \beta=1 \) and \( 3 \sin 2 \alpha-2 \sin 2 \beta=0 \), wher...
If \( 3 \sin ^{2} \alpha+2 \sin ^{2} \beta=1 \) and \( 3 \sin 2 \alpha-2 \sin 2 \beta=0 \), where \( \alpha, \beta \) are positive acute angles, then \( \alpha+2 \beta= \)
\( P \)
(A) \( \frac{\pi}{2} \)
(B)
\( \frac{p}{3} \)
W.
(C) \( \frac{p}{4} \)
(D) \( \frac{p}{6} \)
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