MCQ
$\cos ^{-1}\left(\cos \frac{2 \pi}{3}\right)+\sin ^{-1}\left(\sin \frac{2 \pi}{3}\right)=?$
  • A
    $\frac{4 \pi}{3}$
  • B
    $\frac{\pi}{2}$
  • C
    $\frac{3 \pi}{4}$
  • $\pi$

Answer

Correct option: D.
$\pi$
D

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