MCQ
sin ($\tan ^{-1}$ x), |x| < 1 का मान बराबर है:
- A$\frac{1}{\sqrt{1-x^{2}}}$
- ✓$\frac{x}{\sqrt{1+x^{2}}}$
- C$\frac{1}{\sqrt{1+x^{2}}}$
- D$\frac{x}{\sqrt{1-x^{2}}}$
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