MCQ
यदि $\sin \mathrm{A}=\frac{3}{4}$ तो $\cos \mathrm{A}$ का मान क्या होगा ?
- A$\sqrt{\frac{4}{3}}$
- B$\frac{\sqrt{3}}{4}$
- C$\frac{3}{4}$
- ✓$\frac{\sqrt{7}}{4}$
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