Answer
We can see a sketch of $\theta$ below:
Work Step by Step
$y = -5x$
$\frac{y}{x} = -5$
Since $x \leq 0$, we can let $x = -1$ and $y = 5$
Then $r = \sqrt{(-1)^2+(5)^2} = \sqrt{26}$
We can see a sketch of $\theta$ below:
Trigonometry (10th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
0321671775
ISBN 13:
978-0-32167-177-6
Chapter 1 - Review Exercises - Page 42: 35
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