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Posted by on Friday, April 22, 2011 at 6:39am.

INTEGRATE tan4x with respect to x

  • calculus - , Friday, April 22, 2011 at 7:07am

    let 4x = u
    dx = du/4

    integral of tan 4x* dx =
    (1/4) integral of tan u du
    = (-1/4) log(cosu)
    = (-1/4) log(cos4x)

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