Hello i have 3 exercices i finished them and i need the last questions
Write in trigonometrical form the complex numbers:
it's one number but i don't know how to use maths letters here
The first thing you want to do is to get rid of that "i" in the denominator:
Now expand the numerator using the binomial theorem (or if you are masochistic, expand it out term by term) and separate the real and imaginary parts.