Find the product of z1 and z2 where z1 = 2(cos 80° + i sin 80°), and z2 = 9(cos 110° + i sin 110°).

11(cos 190° + i sin 190°)

18(cos 8800° + i sin 8800°)

18(cos 190° + i sin 190°)

18(cos 80° + i sin 80°)

Question

Find the product of z1 and z2 where z1 = 2(cos 80° + i sin 80°), and z2 = 9(cos 110° + i sin 110°). 

 11(cos 190° + i sin 190°)

18(cos 8800° + i sin 8800°)

18(cos 190° + i sin 190°)

18(cos 80° + i sin 80°)

pooja195 · Answer

18(cos 190° + i sin 190°)

pooja195 · Answer

i want u to show the work if u kno how

anonymous · Answer

I learned all of this before but I have no idea how to do it anymore, I'm just going back and redoing a few assignments. I did this a long time ago, I'm just looking for answers, honestly lol

anonymous · Answer

But thank you :)