154E1-F2010 - MA 15400 Exam 1 Fall 2010 PYTHAGOREAN...

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Unformatted text preview: MA 15400 Exam 1 Fall 2010 PYTHAGOREAN IDENTITIES sin 2 + cos 2 = 1 1 + tan 2 = sec 2 1 + cot 2 = csc 2 MA 15400 Exam 1 Fall 2010 Covers Lessons 1-11, which include all of Sections 6.1, 6.2, 6.3, 6.4, and 6.5 1 1. Find the angle that is supplementary to 23 17'9" A. 156 41'30" B. 66 42'51" C. 156 42'51" D. 66 41'30" E. None of the above. 2. Express = 1.4 in terms of degrees, minutes, and seconds, to the nearest second. A. 80 29'40" B. 80 21'41" C. 80 37'39" D. 80 12'51" E. None of the above. 3. Complete the following statement. ,tan( ) __________ 2 As x x + A. 0 B. C. 1 D. E. Undefined MA 15400 Exam 1 Fall 2010 Covers Lessons 1-11, which include all of Sections 6.1, 6.2, 6.3, 6.4, and 6.5 2 4. Find the area of the sector, created by a central angle that subtends an arc of length 40 cm on a circle of radius 10 cm. Please round to the nearest tenth of a cm 2 . A. 2 200.0cm B. 2 12.5cm C. 2 80.0cm D. 2 97.5cm E. None of the above. 5. Express side in terms of angle and side . a b A. ( ) tan b a = B. ( ) csc b a = C. ( ) sec b a = D....
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This note was uploaded on 09/13/2011 for the course MATH 154 taught by Professor staff during the Spring '09 term at Purdue University-West Lafayette.

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154E1-F2010 - MA 15400 Exam 1 Fall 2010 PYTHAGOREAN...

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