MCQ
$\operatorname{cosec}^{-1}(-2)$ का मुख्य मान है :
  • A
    $-\frac{2 \pi}{3}$
  • B
    $\frac{\pi}{6}$
  • C
    $\frac{2 \pi}{3}$
  • $-\frac{\pi}{6}$

Answer

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

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