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Trigonometry

PROVE THAT - tan A+B/2=cot C/2

Profile image of Meghraj Talan
13 Years agoGrade
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1 Answer

Profile image of ruchi yadav
12 Years ago
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

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