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19 November, 01:55

If secA=15/7 and A+B=90, find the value of A and B

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  1. 19 November, 03:56
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    See below in bold.

    Step-by-step explanation:

    cos A = 1 / sec A = 1 / 15/7 = 7/15.

    So A = 62.18 degrees and

    B = 90 - 62.18

    B = 27.82 degrees.
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