Trigonometry (11th Edition) Clone

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

Chapter 1 - Trigonometric Functions - Section 1.3 Trigonometric Functions - 1.3 Exercises - Page 28: 17


$\sin\theta=\frac{y}{r}=\frac{-24}{25}$ $\cos\theta=\frac{x}{r}=\frac{7}{25}$ $\tan\theta=\frac{y}{x}=\frac{-24}{7}$ $\csc\theta=\frac{r}{y}=\frac{25}{-24}$ $\sec\theta=\frac{r}{x}=\frac{25}{7}$ $\cot\theta=\frac{x}{y}=\frac{7}{-24}$

Work Step by Step

$x=7$ $y=-24$ $r=\sqrt{(-24)^{2}+(7)^{2}}=\sqrt {576+49}= 25$
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