SOLUTION: Express the complex number in trigonometric form. 3 - 3i

Algebra ->  Trigonometry-basics -> SOLUTION: Express the complex number in trigonometric form. 3 - 3i      Log On


   

Question 1134039: Express the complex number in trigonometric form.
3 - 3i
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
3-3i
r=sqrt(3^2+(-3)^2)=3 sqrt(2)
tan theta=-3/3=-1
graph of function is in fourth quadrant, (3 is on horiz axis and -3 on the vertical axis) so theta is 7 pi/4
3 sqrt(2)[cos (7 pi/4)+ sin(7 pi/4)]