Answer
$1$
Work Step by Step
Setup the integration to find the area under the curve on the interval $[0,\frac{\pi}{2}]$
$\int_0^{\frac{\pi}{2}} \cos x dx$,
$[\sin x]_0^{\frac{\pi}{2}}$ ,Evalute the definite integral
$1-0$, subtract
$1$
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.