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Fourier series odd and even functions

  1. Jun 17, 2012 #1
    1. The problem statement, all variables and given/known data

    Screenshot2012-06-17at55656AM.png




    3. The attempt at a solution

    I don't understand the step above. It has something to do with this equation

    Screenshot2012-06-17at55946AM.png

    I think. I'm supposed to expand it into an appropriate fourier series.
     
  2. jcsd
  3. Jun 17, 2012 #2

    LCKurtz

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    You haven't given us enough information. What is f(x)? You were probably given a function and asked to expand it in a sine series.
     
  4. Jun 17, 2012 #3

    HallsofIvy

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    The "step above" is just applying the definition of the Fourier series:
    Are you saying you do not know what that is?
     
  5. Jun 17, 2012 #4
    here is some more info

    Screenshot2012-06-17at70852PM.png

    Screenshot2012-06-17at70757PM.png

    Screenshot2012-06-17at70808PM.png

    I don't understand why they're adding the sin on to that last step.
     
  6. Jun 17, 2012 #5

    micromass

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    What is the definition of a Fourier series?
     
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