test2trig09

# test2trig09 - Name: MAC 1114 Test 2 PART I 10/22/2009 [6pt]...

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Unformatted text preview: Name: MAC 1114 Test 2 PART I 10/22/2009 [6pt] 1. Sketch the graph of 3 csc(- 3 x + 3 ). Remember to label, Amplitude, Period, Phase Shift and Asymptotes!! [2pt] 2. Answer TRUE OR FALSE a. The range of sin- 1 x is [- 2 , 2 ] True False b. cos- 1 (cos(- 2 )) =- 2 True False c. sin(sin- 1 3 2 ) has no solution True False [2]. Find the exact value of cos- 1 (- 3 2 ) Name: Version A MAC 1114 Test 2 Part II 10/27/2009 SHOW ALL YOUR WORK. Answers without procedure will be graded zero. [3pt] 1. Answer the following questions: a) Is it true or false that cos( 2- ) = sin ? b) Is it true or false that if a = sin- 1 b then a = 1 sin b ? c) If = sin- 1 b for some b [- 1 , 1], then cos is positive or negative? (Hint: Think of the range of sin- 1 x ) [2pt] 2. Without a calculator, find the exact value of the following: a) tan(tan- 1 21) b) sin- 1 (sin( 13 )) [Extra Credit 2pt] c) cot- 1 (- 3) [4pt] 3. Find the exact value of sin(tan- 1- 3) [8pt] 4. Verify the following identities: a) sin x csc x cos x = sec x b) cos cot 1- sin - 1 = csc [4pt] 5. The sonar of a navy cruiser detects a submarine that is 4000ft from the cruiser. The angle[4pt] 5....
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## This note was uploaded on 12/27/2011 for the course MAC 1114 taught by Professor Gentimis during the Spring '11 term at University of Florida.

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test2trig09 - Name: MAC 1114 Test 2 PART I 10/22/2009 [6pt]...

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