indiawalker626 indiawalker626
  • 02-08-2018
  • Mathematics
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jcherry99
jcherry99 jcherry99
  • 06-08-2018

The hypotenuse is sqrt ( (-9)^2 + 10^2) = sqrt(181)

Sin(theta) = the y value of the point/hypotenuse

The y value = 10

Sin(theta) = 10/sqrt(181) Normally your should rationalize the denominator.

Sin(theta) = 10 * sqrt(181) / (sin(181)*sin(181)) = 10 * sqrt(181) / 181

The answer is A <<<<

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