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Discussion :: Trigonometry

  1.  Solve for A for the given equation cos 2A = 1 – cos 2A

    2. A.

    45, 125, 225, 315 degrees
    B.

    45, 125, 225, 335 degrees
    C.

    45, 135, 225, 315 degrees
    D.

    45, 150, 220, 315 degrees

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    Answer : Option C

    Explanation :

    45, 135, 225, 315 degrees

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