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Equation for this graph - is it parametric?

  1. Jan 22, 2012 #1
    I cant seem to figure out the equation of the attached graph. I have tried polar, parametric, and cartesian, and I'm almost positive its parametric.
    Does anyone know what the equation might be?

    Attached Files:

  2. jcsd
  3. Jan 22, 2012 #2


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    Homework Helper

    Look at the plot: x should be periodic, and y has to be combined from a monotonously increasing and a periodic part. Try something like x=sin(t), y=t+sin(2t) as in the figure attached and change constants to fit to the original one.


    Attached Files:

    Last edited: Jan 22, 2012
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