## finding the fourier series coefficients for cos(pi)x for unit periods

Hi all,

How do I compute the fourier series coefficients for unit periods for cos(pi)x, the interval is from -1/2 to 1/2. I know the formula but I am getting a wrong answer ?
 Blog Entries: 27 Recognitions: Gold Member Homework Help Science Advisor hi kakolukia786! show us your full calculations, and then we'll see what went wrong, and we'll know how to help!
 I was able to figure it out myself. Thanks anyways