A Point (A,b)= (R,θ)shown in Below Graph in Polar Coordinates $$a = 5 , b = - \pi$$

Multiple Choice

A point (a,b) = (r,θ) shown in below graph in polar coordinates is given.Convert the point to rectangular coordinates.​ ​ $$a = 5 , b = - \pi$$ ​

A) Rectangular coordinates: (5,0)
B) Rectangular coordinates: (5,5)
C) Rectangular coordinates: (-5,5)
D) Rectangular coordinates: (-5,0)
E) Rectangular coordinates: (0,5)