SOLUTION: Rewrite with only sin x and cos x. sin 2x - cos x

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Question 1018130: Rewrite with only sin x and cos x.
sin 2x - cos x
Answer by ikleyn(52884) About Me  (Show Source):
You can put this solution on YOUR website!
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Rewrite with only sin x and cos x.
sin 2x - cos x
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sin(2x) - cos(x) = 2*sin(x)*cos(x) - cos(x) = cos(x)*(2*sin(x)-1)).