1. If f(0) = sin(0) = 0.2, find f(0 + +). 2. Let 0 = 57 4 (a) Find the reference angle for 0. (b) Determine the exact values of sin(0) and cos (8). 3. Let a = 4 and B = 12 (both are measured in radians). Determine the quadrants containing a and B. 4. What is the reference angle for 191 2 8