MCQ
यदि $\sin ^{-1} x-\cos ^{-1} x=\frac{\pi}{6}$, तब बराबर है
- A$\frac{-1}{2}$
- ✓$\frac{\sqrt{3}}{2}$
- C$\frac{1}{2}$
- Dइनमें से कोई नहीं
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