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Math Help - Integral involving trig substitution

  1. #1
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    Integral involving trig substitution

    Here is the question:




    I have been trying so long and I still cannot seem to get it.

    Any help is appreciated.
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  2. #2
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    Quote Originally Posted by Shapeshift View Post
    Here is the question:




    I have been trying so long and I still cannot seem to get it.

    Any help is appreciated.
    See here: - Wolfram|Alpha

    Be sure to click on Show steps.
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  3. #3
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    If you recall the identity tan^2\theta + sec^2\theta = 1 More so

    In this case let x = 5 tan\theta and  dx = 5sec^2\theta


    can you take it from here? Also with definite integrals remember to change your limits of integration properly
    Last edited by RockHard; November 27th 2009 at 04:46 PM.
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