Re: Roots of x^3 = 1;

From: Stan Brown (the_stan_brown_at_fastmail.fm)
Date: 10/28/04 

Date: Thu, 28 Oct 2004 11:14:49 -0400

"Saju" <saju.pillai@gmail.com> wrote in sci.math:
>It was also fun reaching Euler's identity by setting x = i*theta in
>the power series expansion of e^x.

Indeed it is!

For more fun, try setting x = 2Ai, and you can easily prove the
double-angle formulas.

http://oakroadsystems.com/twt/twtnotes.htm#DoubleProof 

-- 
Stan Brown, Oak Road Systems, Tompkins County, New York, USA
                                        http://OakRoadSystems.com
Fortunately, I live in the United States of America, where we are
gradually coming to understand that nothing we do is ever our
fault, especially if it is really stupid.            --Dave Barry