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Homework Help: Parametric equation

  1. Sep 2, 2009 #1
    1. The problem statement, all variables and given/known data

    Find parametric equations for the path of a particle that moves around the given circle in the manner described.

    x^2 + (y-2)^2 =4

    2. Relevant equations
    halfway around counterclockwise, starting at (0,4).
    x(t)= ?
    y(t)= ?

    3. The attempt at a solution

    unsure where to begin...
  2. jcsd
  3. Sep 2, 2009 #2


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    Homework Helper


    is what you want to have happening with your parametric equation here. So what is x(θ) and y(θ) ?
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