MCQ
$\operatorname{cosec}^{-1} x$ परिसर है -
- A$\left[\frac{-\pi}{2}, \frac{\pi}{2}\right]$
- B$[0, \pi]$
- C$\left[\frac{-\pi}{2}, \frac{\pi}{2}\right]\{0\}$
- D$[0, \pi]-\left\{\frac{\pi}{2}\right\}$
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