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Homework Help: Fourier series problem

  1. Jan 18, 2010 #1
    1. The problem statement, all variables and given/known data

    sor2.JPG

    i can find the fourier coefficent of the signal but i could't understand how to find the frequencies which are present in the signal.can anyone help me?
     
  2. jcsd
  3. Jan 18, 2010 #2

    Redbelly98

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    What are the coefficients you found, and how did you calculate them? Also, what is the period of this signal?
     
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