Find the cosine ratio of angle θ. hint: use the slash symbol ( / ) to represent the fraction bar, and enter the fraction with no spaces.

Here is the link of the image of the triangle: http://assets.openstudy.com/updates/attachments/52bd125fe4b04833919e3c0a-prowrestler-1388122743748-c

Basing from the angle, we can use these two:
Sine=opposite/hypotenuse
Cosine=Adjacent/Hypotenuse

Cosine (angle) = Adjacent/Hypotenuse
Cosine (angle) = 3/5
Cosine (angle) = 0.6
angle = inv(Cosine) 0.6
angle = 53.13 degrees.

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