Work Step by Step
$x=(\pi/2-0)/4=\pi/8$ Graph the points you will have one on (0, 0) & (1.5, 1) $Area=\pi/8*sin(\pi/8)+sin(\pi/4)+sin(3\pi/8)+sin(\pi/2)]$
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.