Question

Find the Polar form for ( 2(3)^(1/2) - 2i)(-1+i)

Did I solve this correctly?

Answer 1

given a+bi

mod = sqrt(a^2+b^2)

and arg = arctan(b/a)

mod (cos(arg) + i sin(arg)) is the polar form

Answer 2

It says in my notes

r = bsin(theta)