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Meghraj Talan Grade:
        

PROVE THAT -     tan A+B/2=cot C/2

5 years ago

Answers : (1)

ruchi yadav
askIITians Faculty
26 Points
										A +B +C =180

tan(A+B/2) = tan (180-C/2) = tan(90-<C/2>)
which is equal to cot C/2

Thank You
Ruchi
Askiitians Faculty

3 years ago
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