MCQ
यदि $\cos \theta=\frac{a}{b}$ हो, तो $\sin \theta=$
- A$\frac{\sqrt{b^2-a^2}}{a}$
- ✓$\frac{\sqrt{b^2-a^2}}{b}$
- C$\frac{b}{\sqrt{b^2-a^2}}$
- D$\frac{\sqrt{b^2+a^2}}{b}$
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