Answer
$\approx$1.1835
Work Step by Step
$x=(\pi/2-0)/4=\pi/8$
Graph the points you will have one on (0, 0) & (1.5, 1)
$Area=\pi/8*sin(\pi/8)+sin(\pi/4)+sin(3\pi/8)+sin(\pi/2)]$
Calculus 8th Edition
by Stewart, James
Published by
Cengage
ISBN 10:
1285740629
ISBN 13:
978-1-28574-062-1
Chapter 5 - Applications of Integration - 5.1 Areas Between Curves - 5.1 Exercises - Page 362: 8
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