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Arithmetic Aptitude :: Trigonometry

  1.  Given a right spherical triangle whose parts are a = 82°, b = 62°, and C = 90°. What is the value of the side opposite the right angle?

  2. A.

    83°30’

    B.

    84°45’

    C.

    85°15’

    D.

    86°15’

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  3.  Determine the value of the angle of an isosceles spherical triangle ABC whose given parts are b = c = 54°28’ and a = 92°30’.

  4. A.

    41°45’

    B.

    55°45’

    C.

    84°25’

    D.

    89°45’

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  5.  Solve the angle A in the spherical triangle ABC given a = 106°25’, c = 42°16’ and B = 114°53’

  6. A.

    45°54’

    B.

    72°43’

    C.

    80°42’

    D.

    97°09’

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  7.  Solve for angle C of the oblique spherical triangle ABC given, a = 80°, c = 115° and A = 72°

  8. A.

    61°

    B.

    85°

    C.

    95°

    D.

    119°

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  9.  Determine the spherical excess of the spherical triangle ABC given a = 56°, b = 65°, and c = 78°.

  10. A.

    33°33’

    B.

    38°93’

    C.

    68°37’

    D.

    90°57’

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