3. In standard position, the terminal arm of angle A passes through (-2k, -5k), where k >0. The exact values of cSC A and tan A are: A. CSC A = _V29 tan A = 5 B. CSC A = - V29 tan A = - NIUT 5 C. CSC A = V29 tan A = NIUT 5 D. CSCA = V29 NIUT 5 tan A = 4 . Which of the following correctly describes the trigonometric function f ( x ) = - 5cos - ( x - 7 ) ? A. f(x) has an amplitude of -5 and a period of B. f(x) has an amplitude of -5 and a period of 87 C. f(x) has an amplitude of 5 and a period of ~ D. f(x) has an amplitude of 5 and a period of 87 5. Which of the following correctly identifies the phase shift for y = - 2sin = x+ 3x ? A. 7 radians to the left B. n radians to the right C. 97 radians to the left D. 97 radians to the right 6. The range of y = acosx +d is -k sys 2k, where k > 0. The values of a and d are: A. a = K d = K 2 B. a = k 3k C = 2 C. a = 3 k K U = - 2 2 D. a = 3 k 3k 2 d : 2 Math 30-1 Unit 2 Exam (Winter 2015) Center for Learning at Home Page 2 of 11