Hi, this question is being a pain to me can someone please help. a) Find the Fourier cosine series of for interval . b) Use it to find the sum Thanks
Follow Math Help Forum on Facebook and Google+
Use the standard formulas:
Last edited by DeMath; October 14th 2011 at 05:46 AM. Reason: typo
wow, thanks demath, I was just thrown a bit by the absolute sign. I understand it now.
View Tag Cloud