SOLUTION: Write the complex number z = 2 – 2i in its polar form: (r , theta).

Algebra ->  Trigonometry-basics -> SOLUTION: Write the complex number z = 2 – 2i in its polar form: (r , theta).       Log On


   

Question 1117283: Write the complex number z = 2 – 2i in its polar form: (r , theta).
Answer by ikleyn(52798) About Me  (Show Source):
You can put this solution on YOUR website!
.
The modulus is  sqrt%282%5E2%2B+%28-2%29%5E2%29 = sqrt%288%29 = 2%2Asqrt%282%29.


The argument is  -45°.


The polar form is  2 - 2i = 2*sqrt(2)*cis(-45°).

Solved.