A Point in Rectangular Coordinates Is Given $( 2,2 )$ ​
A)Polar Coordinates

A point in rectangular coordinates is given.Convert the point to polar coordinates,r > 0.​ $( 2,2 )$ ​

A) Polar coordinates: $$\left( - \sqrt { 2 } , \frac { \pi } { 4 } \right)$$
B) Polar coordinates: $$\left( \sqrt { 8 } , \frac { \pi } { 4 } \right)$$
C) Polar coordinates: $$\left( - \sqrt { 8 } , \frac { \pi } { 4 } \right)$$
D) Polar coordinates: $\left( \sqrt { 8 } , - \frac { \pi } { 4 } \right)$
E) Polar coordinates: $\left( \sqrt { 2 } , \frac { \pi } { 4 } \right)$