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  1. The trigonometric Fourier series for the waveform f(t) shown below contain

    2. A.
    only cosine terms and zero value for the dc component
    B.
    only cosine terms and a positive value for the dc component
    C.
    only cosine terms and a negative value for the dc component
    D.
    only sine terms and a negative for the dc component

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    Answer : Option C

    Explanation :

    Since given waveform is even, thus it will have only cosine terms. Function f(t) has more negative value then positive, so it will have negative DC Component.

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