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22 November, 16:21

If 0° < x° < 90° and sin x = 1/2, then cos x = ?

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  1. 22 November, 16:40
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    Sinx = opps/hyp = 1/2

    2^2 = 1^2 + x^2

    x = sqrt (3) = adj

    Cosx = adj/hyp = sqrt (3) / 2
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