113-rosay-07faex02-v2

113-rosay-07faex02-v2 - Math 113 EXAM II Nov 1 2007(1 houf...

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Unformatted text preview: Math 113 EXAM II, Nov. 1, 2007, (1 houf and 15 minutes). NAME: SECTION: Instructor: NO CALCULATOR means: NO CALCULATOR} 1. NO CALCULATOR. (30 points) Given cosé) = g, give the EXACT values of [EDI and (30!. B 0 6 A - D C -—> II. With calculator. (10 points) Find angles 6’ and 1/ in degrees so that sin0: £1} and 90° 5 9 3 270° sinV = —i and 90" S 1/ 270°. III. An airplane flies at constant elevation in the direction of Dane County airport. From the airplane, the airport is first seen at an angle of depression of 10°. Approaching the airport, 4 miles further, the airport is seen at an angle of depression of 20°. At which elevation (above ground) is the airplane flying? (25 points) IV. Evaluate the angles a and 6. (20 points) L, o V. Evaluate the angle 6 VI. Check the identity: (1 — sin 2y)(siny + cos y)2 = 0052(2y) (20 points) (20 points) VII. WITHOUT CALCULATOR. Find an angle 6, with 1;— S 6 5 7r, and cos 20 = cos 6. (15 points) VIII. The graph‘below is the graph of sin(3x + _ (20 peints) 1) Give the values of a, b and c. 2) All the values of mj (j = 1,2,3 or 4) satisfy sin(3mj + g) = ’1. Give the values of 2:2, 3:3 (—1 ...
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This note was uploaded on 08/08/2008 for the course MATH 113 taught by Professor Rosay during the Spring '07 term at University of Wisconsin.

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113-rosay-07faex02-v2 - Math 113 EXAM II Nov 1 2007(1 houf...

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