Ahlfors complex analysis solutions chapter 4

[PDF] Ahlfors complex analysis solutions chapter 4

The amplitude or argument of a complex number z = x + iy is given by: arg(z) = θ = tan^-1(y/x), where x, y ≠ 0.
Also, the arg(z) is called the principal argument when it satisfies the inequality -π \x26lt; θ ≤ π, and it is denoted by Arg(z)..