Posted by Anon on Friday, January 20, 2012 at 7:05pm.
Write the three cube roots of 8 cis (30°).

Precalculus  Damon, Friday, January 20, 2012 at 7:19pm
2 e^i(30/3) = 2 cis 10
2 e^i(30/3 +360/3)= 2 cis 110
2 e^i(30/3 360/3) = 2 cis 130

Precalculus  Anon, Friday, January 20, 2012 at 7:22pm
This is probably silly, but where is the 2 in the beginning of all of those from?

Precalculus  Damon, Friday, January 20, 2012 at 7:23pm
2*2*2 = 8

Precalculus  Anon, Friday, January 20, 2012 at 7:24pm
Ohmygoodness. Hhaha. Thanks!
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