Quiz_11 - MAC1147: Quiz #11 12/1/2009 In the top-right...

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Unformatted text preview: MAC1147: Quiz #11 12/1/2009 In the top-right corner of a clean sheet of paper, write your name, UFID, and section number. Please use a pen with blue or black ink. When you are nished, FOLD your paper in half lengthwise and write your name on the back. 1. An airplane 8 miles in the air measures the angles of depression to two cars on a straight highway to be 30◦ and 60◦ . What is the distance between the two cars, in miles? 2. Rewrite sin x in nonfractional form. 1 + cos x cot x − tan x = csc2 x − sec2 x. (Hint: clear the sin x cos x 3. Verify the trigonometric identity: denominator rst) 1 ...
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