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PROVE Sin2A+Sin2B+sin2c-sin2(A+B+C)=4SIN(B+C)SIN(C+A)SIN(A+B)

PROVE Sin2A+Sin2B+sin2c-sin2(A+B+C)=4SIN(B+C)SIN(C+A)SIN(A+B)

Grade:11

2 Answers

Anish Singhal
askIITians Faculty 1192 Points
5 years ago
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Deepak Kumar Shringi
askIITians Faculty 4404 Points
5 years ago
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