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21 October, 10:34

Using the law of Sines, in triangle ABC, is angle C=145 degrees, b=7, c=33, what is angle B

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  1. 21 October, 11:26
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    By law of Sines:

    c / sinC = b / sinB

    33 / sin145 = 7 / sinB

    sinB = sin145 * 7 / 33

    sinB = 0.122

    B = 6.99
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