Show that if you use only two Fourier descriptors (u = 0 and u = 1) to reconstruct a bound...

Show that if you use only two Fourier descriptors (u = 0 and u = 1) to reconstruct a boundary with Eq. the result will always be a circle. (Hint: Use the parametric representation of a circle in the complex plane and express the equation of a circle in polar coordinates.)