Problem

Consider the Fourier series for the periodic functions given.(i) x(t) = sin 4t + cos 8t +...

Consider the Fourier series for the periodic functions given.

(i) x(t) = sin 4t + cos 8t + 7 + cos 16t


(ii) x(t) = cos2t


(iii) x(t) = 3 + 5 cos t + 6 sin (2t + π/4)


(iv) x(t) = –10 + 3 cos (t) + 7 sin (4.5t)


(v) x(t) = 110 cos (377t)


(vi) x(t) = 4(cos 2t) (sin 4t)


(vii) x(t) = 4 sin2(4t) + cos (16t)

(a) Find the Fourier coefficients of the exponential form for each signal.


(b) Find the Fourier coefficients of the combined trigonometric form for each signal.

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Solutions For Problems in Chapter 4