Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.5: Polar Coordinates
Problem 90E
Related questions
Question
If you can only answer one question, please answer 128. How do you convert from parametric to polar equations in this case? The answer is sqrt(2)*cos(theta+pi/4) all over sin(2theta)+1 but am not sure how to get the answer.
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What is th epurpose of the second step where you multiply and divide by square root 2? Why doesn't the work that I've attached below work/why can't the answer just be (costheta-sintheta)/sin(2theta) since we've already isolated r?
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