MCQ
$\sin \left(\cot ^{-1} x\right)$ के लिए बीजीय व्यंजक है :
- A$\frac{1}{1+x^2}$
- ✓$\frac{1}{\sqrt{1+x^2}}$
- C$\frac{x}{\sqrt{1+x^2}}$
- Dकोई नहीं (None)
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