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17 April, 21:18

Use a calculator to approximate the measures of ∠A, ∠B, and ∠C to the nearest tenth of a degree. sin A = 0.96, tan B = 0.53, cos C = 0.44

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  1. 17 April, 21:46
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    To find each of the angles we must make the following clearances:

    For ∠A

    sin A = 0.96

    A = Asin (0.96)

    A = 73.7 degrees

    For ∠B

    tan B = 0.53

    B = Atan (0.53)

    B = 27.9 degrees

    For ∠C

    cos C = 0.44

    C = Acos (0.44)

    C = 63.9 degrees

    Answer:

    approximate measures of ∠A, ∠B, and ∠C are:

    A = 73.7 degrees

    B = 27.9 degrees

    C = 63.9 degrees
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