Question

find the amplitudeof 1+i root 3 cube​

Answer 1

Step-by-step explanation:

let,

z=(1+i√3)^3

=(1+i√3)(1+i√3)(1+i√3)

the point corresponding to (1+i√3) lies in the first quadrant

then, tanα=√3/1=√3=tanπ/3