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Unformatted text preview: Trigonometry Exam #1 Spring 2002 Name__________________________________ You must show all your work. All answers must be U exact U unless stated otherwise . 1. Use your calculator to approximate the following to 3 decimal places: (2 points each) a. ) 57 sin( = ____________________ b. ) 38 sec( = _________________________ 2. Convert 8 3 to degrees. (4 points) 3. Find the supplement of 7 2 . (4 points) 4. Find the measure of the intercepted arc of a circle with radius 8 meters and central angle = 60 . (6 points) 5. A wheel is rotating at 500 revolutions per minute. Find the angular speed in radians per second. (6 points) 5 6. Given the triangle find a. csc = ____________ b. tan = _______________ (4 points each) 9 7. Evaluate 3 tan 3 6 cot 45 sec + (8 points) 8. At 3:00 p.m., a boat is 12.5 miles due west of a radar station and traveling at 11 mph in a direction that is 57.3 south of an eastwest line. At what time will the boat be closest to the radar station? At what time will the boat be closest to the radar station?...
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 Fall '11
 PamelaSatterfield
 Trigonometry

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