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Math Help - Integration y=(tan^2(x))

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    Integration y=(tan^2(x))

    y=(tan^2(x))
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  2. #2
    Rhymes with Orange Chris L T521's Avatar
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    Quote Originally Posted by Bryn View Post
    y=(tan^2(x))
    Note that \tan^2(x)=\sec^2(x)-1

    Thus, \int\tan^2(x)\,dx=\int\left[\sec^2(x)-1\right]\,dx=\color{red}\boxed{\tan(x)-x+C}

    Hope this makes sense!
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