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Module 6.2 Unit Circle and Exact Values of Trig Functions Unit Circle The unit circle is a circle with radius = 1 that gives exact values for angle measures in both degrees and radians at 0˚(0), π π π 30˚( ), 45˚( ), 60˚( ), 6 π 90˚( ) 2 4 3 and in each quadrant. We will use our trig functions to find the exact values of general angles Unit Circle Value Chart Cos: Sin: Each angle 4 0 3 1 2 2 2 2 1 3 0 4 numerator represents the next general Dedication!!!!