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Homework Help: Fourier series of |sin(x)| aghhhhhhhhhhh help please

  1. Oct 30, 2006 #1
    fourier series of |sin(x)| aghhhhhhhhhhh help please!!!!

    nm got it!

    please delete thread.
    Last edited: Oct 30, 2006
  2. jcsd
  3. Oct 30, 2006 #2


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    They probably refer to the fact that when you're gonna calulcate the fourier coefficients, you'll encounter the following thing:

    [tex]a_n=\frac{1}{\pi}\int_{-\pi}^{\pi}|\sin x|\cos(nx)dx = \frac{1}{\pi}\int_{0}^{\pi}\sin(-x) x\cos(nx)dx+\frac{1}{\pi}\int_{0}^{\pi}\sin(x)\cos(nx)dx[/tex]
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