Show: Your help is greatly appreciated. Thanks.
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Originally Posted by Savior_Self Show: Your help is greatly appreciated. Thanks. Hi Savior_Self, Take the right side and multiply by :
or try factoring the Left Hand Side (LHS) of the equation? it is a simple factoring: LHS = (1 - 4sin x)(1 + sin x) = (1 + sin x)(1 - sin x) the (1 + sin x) cancels, you are left with, (1 - 4sin x)/(1 - sin x). (1 - 4sin 4x)(1 + sin x) = RHS
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