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Math Help - Antideriv of trig function

  1. #1
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    Antideriv of trig function

    ∫(tan^2)x)(sec^2)x)
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  2. #2
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     \int \tan^2(x)\sec^2(x)~dx

    make  u =\tan(x) \implies \frac{du}{dx}= sec^2(x)

    So

     \int u^2~du

    What do you think about that?
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  3. #3
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    Thanks so much! I didnt know I could use just tan(x) as u when it was squared in the problem
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