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Mathematics 19 Online
OpenStudy (anonymous):

Find the cube roots of 27(cos 330° + i sin 330°). Please help c:

OpenStudy (anonymous):

take the real cube root of 27, which is 3 divide the angles by 3 that is all

OpenStudy (anonymous):

so its just 3(cos110+i sin110) ?

OpenStudy (anonymous):

well that is all l you need for the first one there are two more yes, that's it wasn't that easy?

OpenStudy (anonymous):

Yes sir' Alright, then how do I start off to find the other two?

OpenStudy (anonymous):

one third of 360 is 120 add 120 to the angle

OpenStudy (primeralph):

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