Question

HELP ASAP! Will fan and medal!
When squaring a complex number using De Moivre's theorem, there is only one answer. TRUE or FALSE?

Answer 1

its true

Answer 2

Why is that? @pphalke

Answer 3

@imqwerty or @sleepyjess Can you guys please explain why?

Answer 4

(cos(x)+i*sin(x))^2 = cos(2x)+i*sin(2x)
No other answer..

Answer 5

@math&ing001 So it's true then?

Answer 6

Yes

Answer 7

Great thanks for your help!