Answer
See graph (red)
Work Step by Step
See graph (red) for $y=2cos(2x)+sin(\frac{x}{2})$ as the sum of $y=2cos(2x)$ and $y=sin(\frac{x}{2})$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 9 - Analytic Geometry - Section 9.7 Plane Curves and Parametric Equations - 9.7 Assess Your Understanding - Page 717: 66
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