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math

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Integrate: (sin 2x)^3 dx

I can see the answer, but how do I do this?

  • math -

    (sin 2x)^3dx =

    (sin 2x)^2 (sin 2x)dx =

    -1/2(1-(cos 2x)^2)dcos(2x)

  • math -

    Thanks!

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