find the Fourier series of x(t)=8 * sin^3(10*pi*t) without using analysis equation b. find the fundamental frequency c. plot the spectrum d. Assume...

a. find the Fourier series of x(t)=8 * sin^3(10*pi*t) without using analysis equation

b. find the fundamental frequency

c. plot the spectrum

d. Assume the signal is sampled at 11 Hz. What frequencies are mapped to ????̂

Show frequencies in the band –pi to pi and also any other aliases.