MCQ
यदि $A + B + C =\pi$ हो, तो $\tan \left(\frac{ A + B }{2}\right)$ का मान है-
- A$\tan C$
- B$\tan \frac{C}{2}$
- ✓$\cot \frac{ C }{2}$
- D$-\cot C$
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