christiangossin christiangossin

03-03-2017
Mathematics

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sinx(cos^2x - cos^4x) = sin^3 x cos^2 x

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LammettHash LammettHash

03-03-2017

[tex]\sin x(\cos^2x-\cos^4x)=\sin x\cos^2x(1-\cos^2x)=\sin x\cos^2x\sin^2x=\sin^3x\cos^2x[/tex]

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