MCQ
$\sin \left(\tan ^{-1} x\right) ;|x|<1$ बराबर है
- A$\frac{x}{\sqrt{1-x^2}}$
- B$\frac{1}{\sqrt{1-x^2}}$
- C$\frac{1}{\sqrt{1+x^2}}$
- ✓$\frac{x}{\sqrt{1+x^2}}$
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