MCQ
$\cos ^{-1}\left(\frac{1}{2}\right)+2 \sin ^{-1}\left(\frac{1}{2}\right)$ का मान है -
- A$\frac{\pi}{2}$
- B$\frac{2 \pi}{3}$
- C$\frac{3 \pi}{2}$
- D$\pi$
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