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MAC1114Exam3 - Trigonometry Exam 3 PRINT N AME SIGNATURE...

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Trigonometry Exam 3 04/08/2010 PRINT NAME: SIGNATURE: Instructions: This test consists of 16 questions. You are allowed 50 minutes for this exam. SHOW ALL WORK CLEARLY TO RECEIVE FULL CREDIT. Before turning in this exam, check for any transcribing errors. Any mistakes you leave are there to stay. The answer will be posted on the course webpage after exam. (5 points each) Lor questions 1 7. match the trigonometric expression with one of the following. c . tan(.v)csc(jc)__ (a) cos(.v) 2. cot 2 (x)-csc 2 (x) vj (b) 2cos--(A')-l . (sin : (x) - l)sin(-A-) £ 4. cot(.r) sec(- - x) 2 csc'X 5. cos z (x)-sin 2 (jc) , b 6. -COS(AT)(COt J ~ - Coi X 1. t ' CS 6;r\ sec : (A-)-1 (J sin 2 (jc) (c) secO) (d) sec : (A") (e) -cot(A-)csc(;c) (f) cos 2 (x)sin(x) (g) -1
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In questions 8 and 9. FACTOR and use a fundamental identity to rewrite the expression in terms
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