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Math Help - [SOLVED] Surface Area using integration

  1. #1
    VINAYBAR
    Guest

    [SOLVED] Surface Area using integration

    How do you find the surface area of the ellipsoid obtained by rotating the ellipse x=acos(theta), y=bsin(theta) About the x-axkis.
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  2. #2
    Junior Member
    Joined
    Feb 2008
    Posts
    40
    Using the formula below?

    Although youre gonna have to replace 1 with [dx/d(theta)]^2 and (dy/dx)^2 with [dy/d(theta)]^2 (because you are given parametrics)
    Attached Thumbnails Attached Thumbnails [SOLVED] Surface Area using integration-defarearev.gif  
    Last edited by Silver; February 24th 2008 at 09:59 AM.
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