Question

Find zw. Leave your answer in polar form. Screenshot is attached

Answer 1

check out this page

http://math.wikia.com/wiki/Cis_%CE%B8

Answer 2

look under where it says "De Moivre's Theorem"

Answer 3

Thanks. Still keep messing it up somehow

Answer 4

what do you have so far?

Answer 5

Oh nvm, I see the 28

Answer 6

so you just need to add the arguments (ie the angles)

Answer 7

Not getting the right answer must be messing up somewhere. Thanks anyways!