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Mathematics 22 Online
OpenStudy (anonymous):

Find the value of cos θ for the angle shown. A line is drawn from the point 0,4 through the point four comma negative square root of thirty-three. The angle theta is given as the measurement from the positive x axis counterclockwise to the line.

OpenStudy (anonymous):

it looks roughly like this |dw:1438383564039:dw|

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