Answer
$0.87$
Work Step by Step
1. See graph for $f(x)=2sin(x)+3cos(x)-4x$.
2. Within $[0,2\pi]$, we can find zero(s): $x\approx0.87$
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 6 - Analytic Trigonometry - Chapter Review - Review Exercises - Page 528: 82
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