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Name ____________________________________________ MTH 1000 TEST #5 1. Find the exact value of the following: sin 1 2. 1 2 3 2 Find the exact value of the given trig function: (Note: The angles are measured in radians.) sin sin 1 109 sin sec 1 2x 3. cos 1 Prove the following trigonometric identity: sin 1 cos 2 csc 1 cos sin cos 1 cos 98 4. Use an angle addition/subtraction formula to find the exact value of the following: cos15 Find the exact value of the following: 5. sin tan 1 14 cos 1 23 6. sin 2 cos 1 54 7. cos 2 cos 1 15 8. Prove the following trigonometric identity: sin 4 4 sin cos 8 sin 3 cos 9. 10. Find all solutions in the interval 0 2 : [Note: The angles are measured in radians.] (a) 1 2 cos 0 (b) sin 2 1 2 Find ALL solutions in to the following problem. [Note: The angles are measured in radians.] 2 sin 2 3 9 cos