Trigonometry 7th Edition

Published by Cengage Learning
ISBN 10: 1111826854
ISBN 13: 978-1-11182-685-7

Chapter 2 - Section 2.1 - Definition II: Right Triangle Trigonometry - 2.1 Problem Set: 63

Answer

1

Work Step by Step

To find out the value of $ \csc 90^{\circ}$- We will draw $90^{\circ}$ in standard position, locate point (0.1) on the terminal side and use Definition I- Using the point (0,1) x = 0, y = 1 and r = 1 $\csc 90^{\circ} = \frac{r}{y}$ $\csc 90^{\circ} = \frac{1}{1}$ $\csc 90^{\circ}$ = 1
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