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Homework Help: Help with integration

  1. Feb 24, 2005 #1
    [tex]\int\frac{1} {cos^2(2y)} dy [/tex]
    I've tried u-subbing and integration by parts...and no luck...
    It's been a while since Calc 2 and I need some help.
    Any help would be great!! thx! :)
  2. jcsd
  3. Feb 24, 2005 #2
    I dont think you can solve this by u-subsitution or i couldnt think that way because that owuld be too lengthy

    Whats the Differential of Tan??
  4. Feb 24, 2005 #3
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