1) Find two unit circle angles that add or subtract to degrees shown. Unit Circle degrees 30°, 60°, 90°, 120°, 150, 45°, 90°, 135°, 180°, 225, 60°, 120°, 180°, 240°, 300, a) Cos ( 195 ) = Cos ( Not on unit circle On unit circle b) Cos ( 75 ) = Cos ( Not on unit circle On unit circle

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