(cosα+isinα)^3=cos3α+isin3α how show this
Answers
Answered by
1
Answer:
heya mate there's your answer
we know that
(cosa+isina)^n=(cosna+isinna)
so,
(cosa+isina)^3=(cos3a+i sin3a)
hope it helps you
Thank you
Similar questions
Science,
5 months ago
Chemistry,
11 months ago
English,
11 months ago
Computer Science,
11 months ago