Prove the following identity.SinA CosB+CosA SinB upon SinA+SinB = SinA-SinB upon SinA CosB-Cos A SinB.
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Step-by-step explanation:
sina sinb = 1. 2(cos(a − b) − cos(a + b)) cos a cos b =
Answered by
2
Answer:
Prove the following identity.SinA CosB+CosA SinB upon SinA+SinB = SinA-SinB upon SinA CosB-Cos A SinB
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