Mathematics

Problem

The curves

y=\sin x

and

y=\dfrac{x}{2}

enclose a finite region for

x\ge0

. Which interval of

x

-values gives the exact limits of integration for the area of this region? a)

0\le x\le1.57

0\le x\le2.36

0\le x\le1.89

1.05\le x\le1.89