You have the answer if you just do a little bit more but other than that you have your answer
The point on the unit circle corresponding to -180 degrees is
((x, y) = (-1, 0).
<span>tan(-180°) = y/x = 0/(-1) = 0</span>
The civic? Is there more to the question?
A: 55
b: 50
c: 100
the sum of all the angles of a triangle must equal 180
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