Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)

Published by Pearson
ISBN 10: 0-32193-104-1
ISBN 13: 978-0-32193-104-7

Chapter 9 - Analytic Geometry - Section 9.6 Polar Equations of Conics - 9.6 Assess Your Understanding - Page 704: 31

Answer

$4x^2+3y^2-16y-64=0$, Ellipse.

Work Step by Step

$r=\frac{8}{2-sin\theta}$, $2r-r\ sin\theta=8$, $2r=8-r\ sin\theta$, $4r^2=(8-r\ sin\theta)^2$, $4x^2+4y^2=(8-y)^2$, $4x^2+3y^2-16y-64=0$, Ellipse.
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