Exam 3 Spring 2002 - Trigonometry Exam #3 Spring 2002 Name...

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Trigonometry Exam #3 Spring 2002 Name _________________________________ All solutions must be exact unless stated otherwise. You must show all work U on this paper U . Solutions without correct supporting work will not be accepted. You must omit one problem by clearly writing “OMIT” by the problem. If you do not omit a problem, I will omit the last one for you. 1. a. Find all solutions: 0 3 cos 2 = x b. Given a triangle with α = 41 ° , β = 72 ° , and a = 15, find c. Approximate to the nearest tenth. 2. a. Find all solutions in the interval [ ) π 2 , 0 : 0 2 sin = x b. Given a triangle with a = 21, β = 23 ° , and c = 17, find b. Approximate to the nearest tenth. 3. Find all solutions in the interval [ ) 2 , 0 : 4 sin 5 sin 6 2 = + x x
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4. Given a triangle with β = 61 ° , a = 18, and b = 17, find α . Approximate to the nearest tenth. 5. Given v = 5 , 2 and w = 3 , 1 , find: a. the magnitude of v = ______________________ b. 2 v – 3 w = _____________________ c. direction angle of
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Exam 3 Spring 2002 - Trigonometry Exam #3 Spring 2002 Name...

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