MATH 2103 Midterm: MATH 20B OK State Exam1 s11 v1 Solutions
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There are 7 pages and 6 questions, for a total of 100 points. Answer the questions in the spaces provided on the question sheets. If you run out of room for an answer, continue on the back of the page. Unless otherwise stated, show all your work for full credit. Math 20b, exam 1, 4/27/2011: (20 points) no need to explain how you got the answer on this question. (a) assume r 5. 0 g(x)dx = 3. (b) compute z 0. Solution: use substitution u = x + 1, so du = dx. 1001 (i told you i would ask this question!) (c) compute (cos( /4) + i sin( /4))40. Write answer as a + ib without any sines and cosines. Solution: (cos( /4) + i sin( /4))40 = cos(40 /4) + i sin(40 /4) = cos(10 ) + i sin(10 )
