# Homework Help: Square wave exponential fourier series

1. Mar 19, 2013

### Funnynick

This is A and B my friend is telling me that Co is actually 0 and im getting 1/2 and i dont see exactly what im doing wrong if i indeed am doing something wrong hopefully someone here can check this out and let me know exactly where i went wrong..
Thanks

2. Mar 20, 2013

### Staff: Mentor

You wrote yourself that $c_n = 0$ when $n$ is even.

3. Mar 20, 2013

### rude man

I can't get the second image to open.

4. Mar 20, 2013

### Funnynick

Thanks for the reply, i figured out my mistake and redid the problem completely and found the correct answer.

Thanks