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Exam1 - MA 15400 Spring 2011 Exam 1 PYTHAGOREAN IDENTITIES...

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Unformatted text preview: MA 15400 Spring 2011 Exam 1 PYTHAGOREAN IDENTITIES sin 2 θ + cos 2 θ = 1 1 + tan 2 θ = sec 2 θ 1 + cot 2 θ = csc 2 θ MA 15400 Exam 1 Spring 2011 Covers Lessons 1 to 11, which include all of Sections 6.1, 6.2, 6.3, 6.4, and 6.5 1 1. Which of the following are not coterminal angles with 150 θ = − ° ? A. 5 17 , 6 6 π π B. 210 , 510 ° − ° C. 17 31 , 6 6 π π − D. 930 , 870 ° − ° E. All of the above are coterminal angles. 2. Find the complementary angle to 17 4' 12" θ = ° . A. " 40 ' 18 162 ° B. " 48 ' 55 72 ° C. " 40 ' 18 72 ° D. " 48 ' 55 162 ° E. None of the above. 3. Find the area of the sector of the circle with radius 7.9 cm, whose central angle θ subtends an arc of 5.6 cm. Round your answer to one decimal place. A. 2 1 . 31 cm B. 2 1 . 62 cm C. 2 1 . 11 cm D. 2 1 . 22 cm E. None of the above. MA 15400 Exam 1 Spring 2011 Covers Lessons 1 to 11, which include all of Sections 6.1, 6.2, 6.3, 6.4, and 6.5 2 4. A pendulum in a grandfather clock is 5 feet long and swings back and forth along...
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Exam1 - MA 15400 Spring 2011 Exam 1 PYTHAGOREAN IDENTITIES...

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