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16 May, 21:24

Solutions to the equation (cosx/sin2x) = (5/7) for 0

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  1. 16 May, 21:26
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    (cosx/sin2x) = 5/7

    cosx / (2sinxcosx) = 5/7

    2sinx = 7/5

    sinx = 0.7

    x = arcsin (0.7)
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