MCQ
$\cos ^{-1} \frac{1}{2}+2 \sin ^{-1} \frac{1}{2}=$
  • A
    $\frac{\pi}{4}$
  • B
    $\frac{\pi}{6}$
  • C
    $\frac{\pi}{3}$
  • $\frac{2 \pi}{3}$

Answer

Correct option: D.
$\frac{2 \pi}{3}$
D

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