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For the waveform for one period shown in the figure below, the trigonometric fourer series will be
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A + 2A (sint - 1 sin 3t + 1 sin 5t...........) 2 π 3 5 -
A + 2A (cos t - 1 cos 2t + 1 cos 3t...........) 2 π 2 3 -
A + 2A (cos t - 1 cos 3t + 1 cos 5t...........) 2 π 3 5 -
A + 2A (sin t + cos t + 1 sin 3t + 1 cos 3t...........) 2 π 3 3
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Correct Option: C
x(t) is even. So it contain cosine terms only. It also have half wave symmetry if A/2 is subtracted. So it contains only odd harmonics.
