The discussion revolves around the proof of Fourier series coefficients, specifically focusing on the integral calculations involved in determining these coefficients.
Some participants have offered advice on specific calculations, while others have acknowledged the usefulness of periodicity in the context of the problem. There is an ongoing exploration of the integral's properties without a clear consensus on the next steps.
Participants are working with a specific problem from a homework assignment, which may impose certain constraints or assumptions that are under discussion.
R136a1 said:Try to explicitely calculate
[tex]\int_0^\lambda A_n \cos(\frac{2\pi n}{\lambda}x)dx[/tex]