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OpenStudy (anonymous):
Rewrite with only sin x and cos x. sin 3x - cos x
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OpenStudy (anonymous):
@Chelsea04 2 sin x - sin3x - cos x 2 sin x cos2x + sin x - 2 sin3x - cos x 2 sin3x cos4x + 1 3 sin x cos x - sin3x - cos x
OpenStudy (anonymous):
these are the answer choices
OpenStudy (anonymous):
help me!!:(
hartnn (hartnn):
just solved this on OS yesterdy...
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