1. Express each of the following as the product of sines and cosines:( – InterviewSolution

1.	1. Express each of the following as the product of sines and cosines:(i) sin 12x + sin 4x(iv) cos 12x - cos 4x(ii) cos 12x + cos 8x(ii) sin 5x-sin χ(v) sin 2x + cos 4x
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