Math 131 - Illinois State University

(d) periodic function: 2. Change to from degrees into radians. Leave in terms of : (a) 225° (b) 75° 3. Change from radians to degrees: (a) (b) 11 2 3. 4. Find the length of the arc cut off by the 30° angle in the circle shown at left. Recall that the circumference of a circle is given by C = 2 r. ................
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