04spex3 - Math 114, Lecture 1 April 21, 2004 YOUR NAME: \...

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Unformatted text preview: Math 114, Lecture 1 April 21, 2004 YOUR NAME: \ CIRCLE YOUR TA ’3 NAME: Possible points Your score 16 16 18 Page 5 16 Page 6 16 Page 7 ' 18 1 TOTAL 100 Problem 4 (a) (8 points) Find all the solutions to the equation sin(m) tan(a;) = 5tari(a:). (b) (8 points) Find all the solutions to the equation cos2(t) — sin2(t) = cos(t) which lie in the interval 0 S t S 27r. 7 Problem 5 (16 points) A radio tower is 1500 feet tall. A su of the tower makes an angle of 68° with the level answers can involve trigonometric or inverse trigon (a) (6 points) How long is the wire? pporting wire attached to the top ground. Answer the following questions. (Your ometric functions. Do not try to evaluate them.) (b) (6 points) How far from the base of the tower is the supporting wire attached to the ground? If a second supporting wire also runs from the top of the tower to the level e as long as the first, what angle does it make with the ground? ...
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04spex3 - Math 114, Lecture 1 April 21, 2004 YOUR NAME: \...

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