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9 October, 13:21

If sin (6m-8) = cos (2m), find the value of m.

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  1. 9 October, 13:44
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    We believe that the angles are in quadrant 1.

    sin (6m-8) = cos (2m)

    ⇒ 6m-8 = 90 - 2m

    6m + 2m = 90 + 8

    8m = 98

    m = 98 / 8 = 12.25
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