Answer
B
Work Step by Step
By definition: $x=r\cdot cos(\theta)$.
Hence, the given equation is equivalent to $x=2$, whose graph is a vertical line at $x=2$.
Thus, the graph of the given equation is the one in Option B.
Precalculus (10th Edition)
by Sullivan, Michael
Published by
Pearson
ISBN 10:
0-32197-907-9
ISBN 13:
978-0-32197-907-0
Chapter 9 - Polar Coordinates; Vectors - 9.2 Polar Equations and Graphs - 9.2 Assess Your Understanding - Page 586: 34
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