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Unformatted text preview: b b b θ 8 2 (a) Find the radian measure of the angle θ . (b) Convert the radian value you found in part (a) to degrees. Answer to the nearest degree. 7. The angle ψ is a second quadrant angle and tan( ψ ) =5 3 . (a) Draw a fgure that illustrates one possible angle ψ in standard position. (b) Determine the exact value oF cot( ψ ). (c) Determine the exact value oF sin( ψ ). 8. Do the Following. (a) Draw the reFerence triangle oF 120 ◦ . (b) ±ind the reFerence angle oF 120 ◦ . (c) Determine the exact value oF tan(120 ◦ ). 9. An small airplane is ²ying at an altitude oF 6 , 000 Feet. An observer measures the angle oF elevation oF the plane From ground level to be 53 ◦ . (a) Draw a fgure to illustrate the situation. (b) What is the lineoFsight distance between the observer and the airplane? Answer in Feet to the nearest hundred Feet....
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 Fall '08
 KWON

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