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  1. #1
    Junior Member Bartimaeus's Avatar
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    intergral of trigonometric...

    Hey, just this one.

    Intergral of sine squared 2x

    working out too please
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by Bartimaeus View Post
    Hey, just this one.

    Intergral of sine squared 2x

    working out too please
    First \sin^2(2x)=\frac{1-\cos(4x)}{2}

    \int \sin^2(2x) dx=\int \frac{1-\cos(4x)}{2}dx=\frac{x}{2} -\frac{\sin(4x}{8}+C

    RonL
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