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  • 31-05-2017
  • Mathematics
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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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