cos 60 = 1/2
h = -12(1/2) + 15
h = -6 + 15
h = 11
A tire swing is suspended from a tree. The swings height (in feet) above the ground is modeled by the equation, h = -12cos(x) + 15. (x is the angle measured in degrees). What is the height of the swing, when the angle is 60 degrees?
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