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/sci/ - Science & Math

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4746745 No.4746745 [Reply] [Original]

Its complex numbers for pre-calculus.
im finding the roots of the numbers, i was doing fine until i reached this problem im basically fucked please help

my problem is:
find 3 cubed roots of 729 cis pi/5

the 729 factors into 9^3, however getting the pi/5 to factor i breaking my balls i have no idea what to do. once i get that hopefully i can finish them.

>> No.4746759

bumping for answer

>> No.4746768

If you're going to post homework, don't post basic pre calc, make it something interesting for us to solve.

>> No.4746769

>>4746745
As with everything in precal there is a very simple formula you can use to solve it, which you were taught at some point in the class.

>> No.4746789

you're all fucking faggots.

>> No.4746807

>>4746789
I think you'll find, sir, I am straight.

>> No.4747172

>>4746789

Dude, if you ask nicely, most of /sci/ are actually nice guys, they will actually help you with a homework question a lot of the time.

But you went and bit the hand that could have fed you now..