For the amplitude and phase spectrum shown in figure below, The Compact Fourier series is: 3 456 7 8 lo 1 2 3 4 5 6 7 8 n 72 2 cos r + 3 cos(3r) + cos(4r + ) + 2 cos(6r + 7) +3cos(8t + ) O 3+ 2 cos r + 3 cos(31) + cos(4r) + 2 cos(6r + T) + 3 cos(8t + ) 3+ 2 cosr +3 cos(3r) + cos( 4r +) + 2 cos(6r + 7) + 3 cos( 8t +) 3+ 2 cosr + 3 cos(3r) + cos( 4r +) + cos(6t + 7) +3 cos( 8t +) 3+2 cosr + 3 cos(3r) + cos(41 +) + 2 cos(6r) +3 cos( 8r + ) 2.
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