Math, asked by preetbirdi, 9 months ago

2 sin A cos B=sin(A+B)+sin(A-B)

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Answered by Anonymous

4

Answer:

Sin(A+B) =sinAcosB+sin cosB. Nd. Sin(A-b) =Sinacosb-sinbcosa... If we add both. Then we get.... 2sinAcosB.........

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