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154E1-F2010

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

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MA 15400 Exam 1 Fall 2010 PYTHAGOREAN IDENTITIES sin 2 θ + cos 2 θ = 1 1 + tan 2 θ = sec 2 θ 1 + cot 2 θ = csc 2 θ

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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 θ = 1.4 in terms of degrees, minutes, and seconds, to the nearest second. 3. Complete the following statement. ,tan( ) __________ 2 As x x π +
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 θ 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 . 5. Express side in terms of angle and side . a b β A. ( ) β tan b a = B. ( ) β csc b a = C. ( ) β sec b a = D. ( ) cot a b β = E.

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

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