Asked by qui qui
use Demoivre's theorem to find the power [5(cos3.2 + isin3.2)]^4
Answers
Answered by
drwls
Is the 3.2 in radians?
First, factor out 5^4 = 625.
Then review and apply De Moivre's theorem. For any x,
(cosx + i sinx)^n = cos(nx) + i sin(nx)
First, factor out 5^4 = 625.
Then review and apply De Moivre's theorem. For any x,
(cosx + i sinx)^n = cos(nx) + i sin(nx)
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.