Question

z1 = √3+I z2 = -1-i√3 find arg(z1z2)​

Answer 1

Answer:

If a complex no is x+iy then its argument is tan ^-1 (y/x)

arg z1 =  tan^-1 ((√3+1)/(√3-1)) = tan^-1 (2+√3)

arg z2 = tan^-1 ( -1/√3)

arg (z1z2) = agr z1 + arg z2