Hey, i'm back with another infinite series question... this time fourier series of f(x) = abs(x)
In short, where i am stuck is when trying to integrate abs(x)*cos(nx) from -2pi to 2pi in order to find a_n.
Anyone have any ideas? Thanks in advance.
In short, where i am stuck is when trying to integrate abs(x)*cos(nx) from -2pi to 2pi in order to find a_n.
Anyone have any ideas? Thanks in advance.