Hello. I am asked to show that fourier coefficients of a function that just takes real values $\displaystyle a_n,b_n$ are real.
It seems pretty obvious but I can't find a proof,
Any help?
Thank you very much!!
Hello. I am asked to show that fourier coefficients of a function that just takes real values $\displaystyle a_n,b_n$ are real.
It seems pretty obvious but I can't find a proof,
Any help?
Thank you very much!!