A Point (A,b)shown in Below Graph in Polar Coordinates Is $$a = 6 , b = \frac { \pi } { 2 }$$

Multiple Choice

A point (a,b) shown in below graph in polar coordinates is given.Convert the point to rectangular coordinates.​ ​ $$a = 6 , b = \frac { \pi } { 2 }$$ ​

A) Rectangular coordinates: (6,6)
B) Rectangular coordinates: (6,0)
C) Rectangular coordinates: (0,6)
D) Rectangular coordinates: (-6,0)
E) Rectangular coordinates: (0,-6)