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Homework Help: Equation for this graph - Mathematica

  1. Jan 20, 2012 #1
    I think its a variation of a cosine function, but i have no idea what

    Does anybody have any idea?

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    Last edited: Jan 20, 2012
  2. jcsd
  3. Jan 20, 2012 #2
    y = 1 + (cos(x) + 1)^2 is a fair fit.
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