Evaluate ${\displaystyle \underset{0}{\overset{\frac{}{2}}{}}}sinxdx$ by Simpson's $\frac{1}{3}$ rule using six intervals.

$($a$)0\mathrm{.}97768$

$($b$)0\mathrm{.}98869$

$($c$)0\mathrm{.}99968$

$($d$)$ None of these