Answer
$ \frac{9}{2}$
Work Step by Step
Based on the given conditions, we have:
$5cos60^\circ+2tan\frac{\pi}{4}=5(\frac{1}{2})+2(1)=\frac{9}{2}$
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 8 - Polar Coordinates; Vectors - Section 8.5 The Dot Product - 8.5 Assess Your Understanding - Page 637: 48
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