MCQ
$\frac{\sin A}{1+\cos A}=.................$
- A$\cot A$
- ✓$\tan \frac{A}{2}$
- C$\cot \frac{A}{2}$
- D$\tan A$
$\frac{\sin A}{1+\cos A}=\frac{2\sin\frac{A}{2}\cos\frac{A}{2}}{2\cos^2\frac{A}{2}}=\tan \frac{A}{2}$
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(જ્યાં $i$ =$\sqrt { - 1}$ )