Answer
$\left( {x,y} \right) = \left( {1.5404,1.2755} \right)$
Work Step by Step
$$\eqalign{
& \left( {\underbrace { - 2}_r,\underbrace { - 2.45}_\theta } \right){\text{ }} \cr
& {\text{Find the rectangular coordinates }}\left( {x,y} \right) \cr
& x = r\cos \theta ,{\text{ and }}y = r\sin \theta ,{\text{ then}} \cr
& x = - 2\cos \left( { - 2.45} \right) = 1.5404 \cr
& y = - 2\sin \left( { - 2.45} \right) = 1.2755 \cr
& {\text{Therefore}}{\text{, the rectangular coordinates are:}} \cr
& \left( {x,y} \right) = \left( {1.5404,1.2755} \right) \cr
& \cr
& {\text{Using Geogebra we obtain}} \cr
& {\text{Graph}} \cr} $$
