MCQ
$\cos ^{-1}\left(\cos \frac{13 \pi}{6}\right)$ का मान है-
  • A
    $\frac{13 \pi}{6}$
  • B
    $\frac{7 \pi}{6}$
  • C
    $\frac{5 \pi}{6}$
  • $\frac{\pi}{6}$

Answer

Correct option: D.
$\frac{\pi}{6}$
D

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