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 + cos 2 = 1 1 + tan 2 = sec 2 1 + cot 2 = csc 2 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 = ? A. 5 17 , 6 6 B. 210 , 510 C. 17 31 , 6 6 D. 930 , 870 E. All of the above are coterminal angles. 2. Find the complementary angle to 17 4' 12" = . 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 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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