A pair of parametric equations is given.

x$=2$sin$($t$),$y$=2$cos$($ttt

$($a$)$ Swetch the curve represented by the parametric equations. Use arraws to indicate the drection af the curve as t increases.

$($b$)$ Find a rectangular$-$coordinate equation for the curve by ellminating the parameter.

$,$ where$|>=0$