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Homework Help: How would I integrate the following:

  1. Oct 20, 2009 #1
    1. The problem statement, all variables and given/known data

    [tex]\frac{dz}{d\theta}[/tex] = [tex]\int\sqrt{a^{2} + z'^{2}}[/tex]

    I think I would have to make a substitution but I'm not sure which one to make...
  2. jcsd
  3. Oct 20, 2009 #2


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    Welcome to PF!

    Hi martinhiggs! Welcome to PF! :smile:

    (have a theta: θ and a square-root: √ and an integral: ∫ :wink:)

    I'm confused :redface:

    What is z' ? And what is the d(something) inside the ∫ ? :confused:
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