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Discussion :: Trigonometry

  1.  A spherical triangle ABC has an angle C = 90° and sides a = 50° and c = 80°. Find the value of b in degrees.

    2. A.

    73.22
    B.

    74.33
    C.

    75.44
    D.

    76.55

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    Answer : Option B

    Explanation :

    74.33

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