Find the value of cos θ for the angle shown. A line is drawn from the origin 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. 

cos θ = seven-fourths
cos θ = square root of thirty-three divided by four
cos θ = four-sevenths
cos θ = square root of thirty-three divided by seven