(Solved): For the following time-domain signals, obtain: (a) their Fourier Series coefficients (sine/cosine) ...

For the following time-domain signals, obtain: (a) their Fourier Series coefficients (sine/cosine) using the table, integrals, or signal transformations. (b) A plot by hand of the magnitude and phase spectra of the first 5 harmonics including the fundamental frequency. Signal 1: Signal 2: Signal 3: