y = y = VAr- 12 V3 2 The shaded region D can be described in polar coordinates by inequalities: [ Select ] [ Select ] [ Select ] [ Select ] [ Select ] 2sin(theta) [ Select ] pi/2 4cos(theta) 5pi/6 pi/3 2cos(theta) pi/3 pi/4 4 pi/4 4sin(theta) pi pi/6 pi/2