154E3-S2011 - MA 15400 Spring 2011 Exam 3 LAW OF SINES LAW...

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Unformatted text preview: MA 15400 Spring 2011 Exam 3 LAW OF SINES LAW OF COSINES sin a = sin b = sin c c 2 = a 2 + b 2 2 ab cos ANGLE BETWEEN TWO VECTORS: cos = ( r a ) ( r b ) r a r b A B C c a b MA 15400 Exam 3 Spring 2011 Covers Lessons 23 to 34, which starts with question #53 of Section 7.6 and then all of Sections 8.1, 8.2, 8.3, and 4.5. 1 Sketch the function and answer questions 1 and 2: ( ) 15 2 8 2 2 2 = x x x x x f 1. What are the vertical asymptotes of the function? A. 5, 3 x x = = B. 4 , 2 = = x x C. 5, 3 x x = = D. 4 , 2 = = x x E. None of the above 2. In which intervals is ( ) ? > x f A. ( ) ( ) ( ) , 5 4 , 2 3 , B. ( ) ( ) 5 , 4 2 , 3 C. ( ) ( ) , 5 4 , 2 D. ( ) ( ) ( ) , 5 , 3 3 , E. None of the above MA 15400 Exam 3 Spring 2011 Covers Lessons 23 to 34, which starts with question #53 of Section 7.6 and then all of Sections 8.1, 8.2, 8.3, and 4.5. 2 3. If 2 , 1 = s , which vector best represents 2 s ? A. A B. B C. C D. D E. E 4. Approximate, to four decimal places, the solution(s) of the equation that are in the interval 2...
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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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154E3-S2011 - MA 15400 Spring 2011 Exam 3 LAW OF SINES LAW...

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