Algebra 2 (1st Edition)

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: 27

Answer

$$-\cot \left(x\right)$$

Work Step by Step

Simplifying the expression using the sum and difference formulas, we find: $$\frac{\cos \left(\frac{3\pi }{2}\right)\sin \left(x\right)+\cos \left(x\right)\sin \left(\frac{3\pi }{2}\right)}{\cos \left(\frac{3\pi }{2}+x\right)} \\ -\frac{\cos \left(x\right)}{\sin \left(x\right)} \\ -\cot \left(x\right)$$
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