Precalculus: Mathematics for Calculus, 7th Edition

Published by Brooks Cole
ISBN 10: 1305071751
ISBN 13: 978-1-30507-175-9

Chapter 5 - Review - Exercises - Page 463: 21

Answer

$tan \space t = -\frac{5}{12}$ $csc \space t = \frac{13}{5}$ $sec \space t = -\frac{13}{12}$ $cot \space t = -\frac{12}{5}$

Work Step by Step

$$tan \space t = \frac{sin \space t}{cos \space t} = \frac{5/13}{-12/13} = - \frac 5{12}$$ $$csc \space t = \frac{1}{sin\space t} = \frac{1}{5/13} = \frac {13} 5$$ $$sec \space t = \frac{1}{cos \space t} = \frac{1}{-12/13} = -\frac {13}{12}$$ $$cot \space t = \frac{1}{tan\space t} = \frac{1}{-5/12} = -\frac {12} 5$$
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