MCQ
$\sin \cot ^{-1} x$ का मान होगा$-$
- A$\sqrt{1+x^2}$
- B$\left(1+x^2\right)^{\frac{3}{2}}$
- C$x$
- ✓$\left(1+x^2\right)^{\frac{-1}{2}}$

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