MATH 190 Midterm: MATH 190 Louisville Practice Exam 3 160407
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For full credit show all of your work (legibly! 2 . (b) (4 points) identify the period, amplitude, and vertical shift of the periodic function g(x) = 7 sin(5x) 2. (c) (3 points) evaluate cot 5 . Practice exam #3: (10 points) calculate the labeled quantities in the triangles (not drawn to scale) below. (a) (5 points) determine x and : 1+sin x = (sec x tan x)2. Practice exam #3: (10 points) answer the following questions about evaluating trigonometric expressions. (a) (2 points) evaluate arctan( 1). (b) (4 points) evaluate csc(cid:0)arctan( 3. 4 )(cid:1). (c) (2 points) evaluate arcsin 1. 2 . (d) (3 points) evaluate the expression cos(55 ) cos(10 ) + sin(55 ) sin(10 ). Practice exam #3: (10 points) the following ten graphs are of the following functions: Label each picture with the letter of the appropriate function. J(x) = x(x + 1)(x 1)(x + 2)(x 2)
