Answer
$$-\sin \left(x\right)$$
Work Step by Step
Simplifying the expression using the sum and difference formulas, we find:
$$\cos \left(x\right)\sin \left(\pi \right)+\cos \left(\pi \right)\sin \left(x\right) \\ -\sin \left(x\right)$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 14 Trigonometric Graphs, Identities, and Equations - 14.6 Apply Sum and Difference Formulas - 14.6 Exercises - Skill Practice - Page 952: 20
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