## Calculus with Applications (10th Edition)

Published by Pearson

# Chapter 13 - The Trigonometric Functions - Chapter Review - Review Exercises - Page 701: 40

#### Answer

$$\sin \left( { - {{123}^ \circ }} \right) \approx - 0.8386$$

#### Work Step by Step

\eqalign{ & \sin \left( { - {{123}^ \circ }} \right) \cr & {\text{using a calculator to find the value }}\left( {{\text{set the calculator in degree mode}}} \right) \cr & {\text{then}}{\text{, we obain}} \cr & \sin \left( { - {{123}^ \circ }} \right) \approx - 0.8386 \cr}

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