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31-05-2017
Mathematics
contestada
If cos x = .67, what is sin of x
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Аноним
Аноним
31-05-2017
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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