Exercises 19–22 give the eccentricities of conic sections with one fo- cus at the origin of the polar coordinate plane, along with the directrix for that focus. Find a polar equation for each conic section. 19. e = 2, r cos 0 = 2 21. e = 1/2, r sin 0 = 2 20. e = 1, r cos 0 = -4 22. e = 1/3, r sin 0 = -6
Exercises 19–22 give the eccentricities of conic sections with one fo- cus at the origin of the polar coordinate plane, along with the directrix for that focus. Find a polar equation for each conic section. 19. e = 2, r cos 0 = 2 21. e = 1/2, r sin 0 = 2 20. e = 1, r cos 0 = -4 22. e = 1/3, r sin 0 = -6
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 22RE
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