Exam2 - MATH 111 - Exam 2 - Summer 2011 - Section 1 No...

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No books, notes, or calculators allowed. Do NOT write on this exam. There is no time limit. 1. The measure of an angle is 75 . Find the measure of the angle in radians. (a) 5 π 12 (b) - 5 π 12 (c) 3 π 4 (d) 5 12 (e) - 5 12 (f) 3 4 2. Find the radius of a circle who has a sector of area 6 π and central angle 60 . (a) 2 (b) 4 (c) 6 (d) 8 (e) 10 (f) 12 3. Find the exact value of cos( π 6 ) - sin( π 3 ). (a) 3 (b) 1 (c) 3 - 1 2 (d) 0 (e) 3 2 (f) 3+1 2 4. Find the exact value of csc( 21 π 2 ). (a) 0 (b) - 1 (c) 1 2 (d) 1 (e) 2 2 (f) Undefined 5. The point ( - 3 5 , - 4 5 ) is on the terminal side of an angle θ in the standard position on the unit circle. Find the exact value of cot( θ ). (a) - 3 5 (b) - 4 5 (c) 3 4 (d) - 3 4 (e) 4 3 (f) - 4 3 6. What is the equation of the graph? (a) y = 2sin(2 x ) (b) y = - 2sin(2 πx ) (c) y = 2sin( πx ) (d) y =sin( πx ) (e) y = - 2sin( π 2 x ) (f) y = - 2sin( πx ) 7. What is the exact value of the expression:
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This note was uploaded on 10/24/2011 for the course MATH 111 taught by Professor Stuff during the Fall '11 term at BYU.

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Exam2 - MATH 111 - Exam 2 - Summer 2011 - Section 1 No...

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