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8 December, 10:41

If cos x =.67, what is sin of x

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  1. 8 December, 12:09
    0
    Sin^2x = 1 - cos^2 x

    = 1 - 0.67^2

    = 0.5501

    sin x = sqrt 0.5501 = 0.7424 to nearest 10 thousandth
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