Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 6 - Section 6.3 - Polar Coordinates - Exercise Set - Page 743: 75


Please see below.

Work Step by Step

$$r=a\sec \theta = \frac{a}{\cos \theta } \quad \Rightarrow \quad r\cos \theta = a \quad \Rightarrow \quad x=a$$This is the equation of a vertical line $a$ units to the right of the $y$-axis if $a \gt 0$ and $|a|$ units to the left of the $y$-axis if $a \lt 0$.
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