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20190326124035mthh044059 52 Hassan Omar

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Course Name: Precalculus: Trigonometry Student: Omar Hassan Course ID: MTHH044059 ID: E93324820 Submittal: 52 Progress Test 2 Progress Test 2 (Evaluation 52) covers the course materials that were assigned in Units 3 and 4. Although the progress test is similar in style to the unit evaluations, the progress test is a closed-book test. You may not have access to notes or any of the course materials while you are taking the test. You may also use your graphing calculator on this test. The Summary of Formulas and Trigonometric Tables from the Appendix is included for your use during the test. ____ 1. ____ 2. ____ 3. What is the phase shift of y = cos (x + a. to the right b. to the left c. to the left d. to the right Between what values of x is cos x a increasing function? a. Between x = (2n – 1) b. Between x = 2n c. Between x = (2n d. Between x = (2n – 1) and 1n , where n is any integer. and 2n, where n is any integer. and 2n – 1 ), where n is any integer. and 2n , where n is any integer. Find the inverse of h = {(5,1), (4, 8), (3, 7), (9, 3)}. a. b. c. d. ____ 4. )? {(5,1), (4, 8), (3, 7), (9, 3)} {(1, 5), (8, 4), (7, 3), (3, 9)} {(5, 4), (3, 9), (8, 7), (1, 3)} {(4, 5), (3, 8), (1, 9), (3, 3)} Express the algebraic sum of sin 4x − sin x as a product. a. b. c. d. 2cos5xsin3x 2cos4xsin2x ____ 5. Evaluate sin 54° cos 9° – cos 54° sin 9°. What is the value? a. b. c. d. ____ 6. 0.8910 0.4540 Express the following product as an algebra ...
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