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Find the reference angle, the quadrant of the terminal side, and the sine and cosine of...

Find the reference angle, the quadrant of the terminal side, and the sine and cosine of each angle. If the angle is not one of the angles on the unit circle, use a calc. to round to three decimal places.

a) 300 degrees

b) 7pi/6

c) 7pi/4

Math   Precalculus   
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