1. The Fourier series of a periodic waveform is 20 nat f(t)=10-1 7 sin (a) (20...

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1. The Fourier series of a periodic waveform is 20 nat f(t)=10-1 7 sin (a) (20 pts) Determine the Fourier series of waveform f₂ (t). (b) (10 pts) Determine the total average power of f(t). (Hint: 2()-(-) (c) (10 pts) Determine the fractional power of the second harmonic with respect to the total average power. 4. (a) /1 (1) -4 20 (0) 20 0 £2(1) 0 0 -20- (b) f(n) - r (s) 1 (s) 1. The Fourier series of a periodic waveform is 20 nat f(t)=10-1 7 sin (a) (20 pts) Determine the Fourier series of waveform f₂ (t). (b) (10 pts) Determine the total average power of f(t). (Hint: 2()-(-) (c) (10 pts) Determine the fractional power of the second harmonic with respect to the total average power. 4. (a) /1 (1) -4 20 (0) 20 0 £2(1) 0 0 -20- (b) f(n) - r (s) 1 (s)