Trigonometry 7th Edition

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

Chapter 1 - Test - Page 51: 15

Answer

See below.

Work Step by Step

From what we learned: $\sin(-45^\circ)=-\frac{1}{\sqrt2},\cos(-45^\circ)=\frac{1}{\sqrt2},\tan(-45^\circ)=\frac{\sin(-45^\circ)}{\cos(-45^\circ)}=\frac{-\frac{1}{\sqrt2}}{\frac{1}{\sqrt2}}=-1$, which is undefined
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