Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 6 - Trigonometric Functions - 6.2 Trigonometric Functions: Unit Circle Approach - 6.2 Assess Your Understanding - Page 378: 16

Answer

$sin(t) =\frac{2\sqrt {6}}{5}$, $cos(t) =-\frac{1}{5}$, $tan(t) =-2\sqrt 6$, $cot(t) =-\frac{\sqrt {6}}{12}$, $sec(t) =-5$, $csc(t) =\frac{5\sqrt {6}}{12}$.

Work Step by Step

Given $x=-\frac{1}{5}, y=\frac{2\sqrt {6}}{5}, r=1$, we have: $sin(t)=y=\frac{2\sqrt {6}}{5}$, $cos(t)=x=-\frac{1}{5}$, $tan(t)=\frac{y}{x}=-2\sqrt 6$, $cot(t)=\frac{x}{y}=-\frac{\sqrt {6}}{12}$, $sec(t)=\frac{1}{x}=-5$, $csc(t)=\frac{1}{y}=\frac{5\sqrt {6}}{12}$.
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