Precalculus (6th Edition)

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

Chapter 5 - Trigonometric Functions - Chapter 5 Test Prep - Review Exercises - Page 559: 18

Answer

$-\frac{1}{2}, \frac{\sqrt 3}{2}, -\frac{\sqrt 3}{3}, -\sqrt 3, \frac{2\sqrt 3}{3}, -2$

Work Step by Step

Given point $(6\sqrt 3,-6)$ on the terminal side, we have: 1. $sin\theta=\frac{-6}{\sqrt {(6\sqrt 3)^2+(-6)^2}}=-\frac{1}{2}$ 2. $cos\theta=\frac{6\sqrt 3}{\sqrt {(6\sqrt 3)^2+(-6)^2}}=\frac{\sqrt 3}{2}$ 3. $tan\theta=\frac{-6}{6\sqrt 3}=-\frac{\sqrt 3}{3}$ 4. $cot\theta=\frac{1}{tan\theta}=-\sqrt 3$ 5. $sec\theta=\frac{1}{cos\theta}=\frac{2}{\sqrt 3}=\frac{2\sqrt 3}{3}$ 6. $csc\theta=\frac{1}{sin\theta}=-2$
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