ek 명(t) A t -7/2 -7/8 7/8 T/2 Figure 4 Us(t) vs. t 4. Figure 4 represents a pulsed voltage waveform, vs(t) having a maximum voltage of A and a minimum voltage of zero. The waveform period is T. (a) Determine if this waveform as it appears in Figure 4 is even or odd and if it has half-wave symmetry. (b) Calculate the Fourier coefficient, ao. (c) Calculate the Fourier coefficients, an for n = 1, 2, 3, ... (d) Calculate the Fourier coefficients, bn for n = 1, 2, 3, ... (e) Using parts (a) through (d), Determine the trigonometric Fourier representation for vs(t). = sin(a + b) sin(a)cos(b) + sin(b)cos(a) sin(not)dt = (1/nw)cos(not) - cos(not)dt = (1/no) sin(not)