Math, asked by malkariudaykumar, 10 months ago

A+B+C = 180°. Prove that Sins + SinB + SinC = 4 CosA/2 CosB/2 CosC/2

Answers

Answered by nadeenreddy8667

0

A+B+C=180

divide eqn by 2

A+B+C/2=180/2

A/2+B/2+C/2= 90

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