For `z= sqrt3-i`, find the principal, value arg(z)

If arg(z_(1))=(2pi)/3 and arg(z_(2))=pi/2 , then find the principal value of arg(z_(1)z_(2)) and also find the quardrant of z_(1)z_(2) .

If z=sqrt(3)-2+i , then principal value of argument z is (where i=sqrt(-1) (1) -(5pi)/(12) (2) pi/(12) (3) (7pi)/(12) (4) (5pi)/(12)

Find the principal value of cot^(-1)(-sqrt3)

If sqrt(5-12 i)+sqrt(-5-12 i)=z , then principal value of a rgz can be

If arg (z_(1))=(17pi)/18 and arg (z_(2))=(7pi)/18, find the principal argument of z_(1)z_(2) and (z_(1)//z_(2)).

Findthe principal value of the arguments of z_(1)=2+2i,z_(2)=-3+3i,z^(3)=-4-4iand z_(4)=5-5i,where i=sqrt(-1).

If a rg(z_1)=170^0 and arg(z_2)=70^0 , then find the principal argument of z_1z_2dot

If a complex number z satisfies |2z+10+10 i|lt=5sqrt(3)-5, then the least principal argument of z is

If z = (-4 +2 sqrt3i)/(5 +sqrt3i) , then the value of arg(z) is

If 'z, lies on the circle |z-2i|=2sqrt2 , then the value of arg((z-2)/(z+2)) is the equal to