In: Advanced Math
Expand in Fourier series:
Expand in fourier sine and fourier cosine series of: f(x) = x(L-x), 0<x<L
Expand in fourier cosine series: f(x) = sinx, 0<x<pi
Expand in fourier series f(x) = 2pi*x-x^2, 0<x<2pi, assuming that f is periodic of period 2pi, that is, f(x+2pi)=f(x)