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Math Help - Parametric equations for conic sections

  1. #1
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    Parametric equations for conic sections

    How would I go about solving this:
    Find parametric equtions for the conic section x^2+y^2-9=0
    Thanks
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  2. #2
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    Quote Originally Posted by emetty90 View Post
    How would I go about solving this:
    Find parametric equtions for the conic section x^2+y^2-9=0
    Thanks
    x^2 + y^2 = 9 is a circle of radius 3 and centre at the origin. The standard parametric equations in this instance are therefore x = 3 \cos t and  y = \, ....
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