Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 1 - Review Exercises - Page 44: 36


$\sin\theta=\frac{y}{r}=\frac{0}{1}=0$ $\cos\theta=\frac{x}{r}=\frac{-1}{1}=-1$ $\csc\theta=\frac{r}{y}=\frac{1}{0}=undefined$ $\sec\theta=\frac{r}{x}=\frac{1}{-1}=-1$ $\tan\theta=\frac{y}{x}=\frac{0}{-1}=0$ $\cot\theta=\frac{x}{y}=\frac{-1}{0}=undefined$

Work Step by Step

$x= -1; y=0$ $r=\sqrt {(x)^{2}+(y)^{2}}= \sqrt {(-1)^{2}+(0)^{2}}=\sqrt {1}=1$
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