The population of Town A is 60 and the population of Town B is 110. Compare the populations of the towns by filling in the below
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<h3>Answer: 
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Explanation:
The identity we'll use is cos(-x) = cos(x) for any value of x.
So cos(-150) = cos(150).
Then locate the angle 150 on the unit circle. The terminal point is
The x coordinate of this terminal point is the value of cos(150).