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Discussion :: Signals and Systems

  1. If i = 10 + 12 cos 500t - 3.5 sin 500 t, then in amplitude phasse form i =

    2. A.
    10 + 12.5 sin (500 t + 106.20°)
    B.
    5 + 12.5 sin (500 t + 106.20°)
    C.
    10 + 11 sin (500 t + 106.20°)
    D.
    10 + 12.5 sin (500 t + 10°)

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    Answer : Option A

    Explanation :

    Use trigonometric theorem.

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