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Evaluate a Trigonometric Integral

  1. Oct 1, 2011 #1
    Hi All,

    [itex] \int_{0}^{2\pi}d\varphi \int_{0}^{\pi}\sqrt{\frac{1}{1-sin^2\theta cos^2\varphi }}d\theta[/itex]
    I tried very hard to evaluate this integral but failed. Please help me if you know how to solve it.
  2. jcsd
  3. Oct 4, 2011 #2

    Attached Files:

  4. Oct 5, 2011 #3
    Thanks a lot!
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