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Assignment 12-solutions-1

# Assignment 12-solutions-1 - nanni(arn437 – Assignment 12...

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Unformatted text preview: nanni (arn437) – Assignment 12 – guntel – (54940) 1 This print-out should have 4 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points Evaluate the integral I = integraldisplay π/ 2 (1- 4 sin 2 θ ) dθ . 1. I =- π 2. I = 1- 1 4 π 3. I = 1 4 π- 1 4. I =- 1 2 π correct 5. I = 3 2 π 6. I = 3 4 π- 1 Explanation: Since sin 2 θ = 1 2 parenleftBig 1- cos 2 θ parenrightBig , the integral can be rewritten as I = integraldisplay π/ 2 braceleftBig 2 cos 2 θ- 1 bracerightBig dθ = bracketleftBig sin 2 θ- θ bracketrightBig π/ 2 . Consequently I =- 1 2 π . 002 10.0 points Evaluate the indefinite integral I = integraldisplay 2 cos 4 2 t dt . 1. I = 1 4 parenleftBig 3 t +sin 4 t + 1 8 sin 8 t parenrightBig + C correct 2. I = 1 4 parenleftBig 3 t- cos 4 t + 1 8 cos 8 t parenrightBig + C 3. I = 1 4 parenleftBig 3 t- sin 4 t + 1 8 sin 8 t parenrightBig + C 4. I = 1 4 parenleftBig 3 t + cos 4 t + 1 8 cos 8 t...
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Assignment 12-solutions-1 - nanni(arn437 – Assignment 12...

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