Answer
$y=3x$
See graph
Work Step by Step
1. Use the relation $tan\theta=\frac{y}{x}$, we have $tan\theta=3\Longrightarrow \frac{y}{x}=3\Longrightarrow y=3x$
2. The line has a slope$=3$ and passes the origin (rectangular system) as shown.
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 8 - Polar Coordinates; Vectors - Chapter Test - Page 656: 6
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