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I need help with trig integration

  1. Feb 22, 2009 #1
    the problems are:

    1. (sec5x)^4 dx
    2. (tan2x)^3*(sec2x)^3 dx
    3. (tanx)^2 /secx dx
    4. (tan (x/4))^5
  2. jcsd
  3. Feb 23, 2009 #2


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    Welcome to PF!

    Hi xGrey ! Welcome to PF! :wink:

    Show us your attempts, and where you're stuck, and then we'll know how to help!

    Start with 3. … use a trigonometric identity to simplify it. :smile:
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