Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 5 - Trigonometric Functions - 5.2 Trigonometric Functions - 5.2 Exercises - Page 519: 43

Answer

See graph, $-\frac{2\sqrt 5}{5}, \frac{\sqrt 5}{5}, -2$, $ -\frac{1}{2}, $ $ \sqrt 5$, $ -\frac{\sqrt 5}{2}$.

Work Step by Step

See graph with $\theta\approx206.6^\circ$, use point $(1,-2)$ with $r=\sqrt 5$ $sin\theta=-\frac{2\sqrt 5}{5}, cos\theta=\frac{\sqrt 5}{5}, tan\theta=-2$, $cot\theta=-\frac{1}{2}, $ $sec\theta=\sqrt 5$, $csc=-\frac{\sqrt 5}{2}$.
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