1. Not finding help here? Sign up for a free 30min tutor trial with Chegg Tutors
    Dismiss Notice
Dismiss Notice
Join Physics Forums Today!
The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

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


    User Avatar
    Science Advisor
    Homework Helper
    Gold Member

    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]
Know someone interested in this topic? Share this thread via Reddit, Google+, Twitter, or Facebook

Have something to add?

Similar Discussions: Fourier series of |sin(x)| aghhhhhhhhhhh help please