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Discussion :: Trigonometry

  1.  By expressing sin 125° in terms of trigonometrical ratios, answer will be

    2. A.

    sin 55° = 0.8192
    B.

    sin 65° = 0.9128
    C.

    sin 70° = 0.5384
    D.

    sin 72° = 0.1982

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    Answer : Option A

    Explanation :

    sin 55° = 0.8192

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