SOLUTION: Find the cube roots of 27(cos 279° + i sin 279°). *Please show your work, so I can understand it:)

Algebra ->  Trigonometry-basics -> SOLUTION: Find the cube roots of 27(cos 279° + i sin 279°). *Please show your work, so I can understand it:)      Log On


   

Question 1024125: Find the cube roots of 27(cos 279° + i sin 279°).
*Please show your work, so I can understand it:)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find the cube roots of 27(cos 279° + i sin 279°)
---------
root%283%2C27%29+=+3
279/3 = 93
(279 + 360)/3 = 213
(279 + 720)/3 = 333
--------------
--> 3cis(93), 3cis(213), 3cis(333)
=============
cis = cos + i*sin