Beauty of Equations?

[Jeff O.]

(11-21-2016 05:10 PM)BruceH Wrote:  

(11-21-2016 12:14 PM)Gerald H Wrote:  Note error in quiz.

Oh yes, well spotted. Everyone knows that it should be \(e^{i\tau} = 1\)
;-)

I think that would be \(e^{i\tau/2} = -1\), (or preferably, \(e^{i\tau/2} + 1 = 0\)), which kinda sorta shows why tau is wrong, i.e., messes up Euler's identity.