|
|
z1 , z2 and z3 are the sides of a triangle. geometrically, u can see that the difference of the arguments is the external angle of each vertex of the triangle .
since the sum of the exterior angles = 2pi , there should be atleast one angle which is greater than or equal to 2pi/3
|
Moderation Team
![[Post New]](/templates/default/images/icon_minipost_new.gif){kind=icon}
![[Up]](/templates/default/images/icon_up.gif "[Up]"){kind=icon}
200
