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OpenStudy (anonymous):
Rewrite with only sin x and cos x. cos2x-sinx
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OpenStudy (lukecrayonz):
Is it cos^2(x)-sinx?
OpenStudy (anonymous):
well these are my options cos2x - sin2x - sin x cos2x - sin3x cos2x + sin2x + sin x cos2x - 3 sin x @Lukecrayonz
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