Hi everybody, I don't know how to calculate the following integral: ??? Can you help me please???
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Originally Posted by lehder Hi everybody, I don't know how to calculate the following integral: ??? Can you help me please??? sin(A + B) = sin A cos B + sin B cos A .... (1) sin(A - B) = sin A cos B - sin B cos A .... (2) (1) + (2): sin(A + B) + sin(A - B) = 2 sin A cos B. Use the above to re-write sin(3x) cos(2x).
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