3) A signal is defined by: V(x) = 4cos -X + sin L x sir a) b) Plot the waveform over 3 periods beginning at -3L/2. Find the Fourier coefficients for this function and write out V(x) as a Fourier series. 1 1 Ans.: V(x) = cos 2. L 2n +2 sin 2 x 2 2

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