MCQ
$\cos ^{-1}\left(\frac{1}{2}\right)+2 \sin ^{-1}\left(\frac{1}{2}\right)$ का मान है :
- A$\frac{\pi}{4}$
- B$\frac{\pi}{6}$
- ✓$\frac{2 \pi}{3}$
- D$\frac{5 \pi}{6}$
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