1. Consider the area enclosed between the circle x^2 + y^2 = 4, the line y = 3, y = x, and y = -x. (a) Express these Cartesian equations as polar equations.

 
 1. Consider the area enclosed between the circle x^2 + y^2 = 4, the line y = 3, y = x, and y = -x.
 (a) Express these Cartesian equations as polar equations.