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Discussion :: Trigonometry

  1.  Formula for area of a triangle ABC is

    2. A.

    2ab sin C = 2bc sin A = 2ac sin B
    B.

    3/2ab sin C = 3/2bc sin A = 3/2ac sin B
    C.

    1/2ab sin C + 1/2bc sin A + 1/2ac sin B
    D.

    1/2ab sin C = 1/2bc sin A = 1/2ac sin B

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    Answer : Option D

    Explanation :

    1/2ab sin C = 1/2bc sin A = 1/2ac sin B

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