2005-09-27T04:01:36ZFluxBBhttp://www.mathisfunforum.com/viewtopic.php?id=1642Euler's equation! This is because (Cosθ + iSinθ)^n = Cos(nθ) + iSin(nθ)...DeMoivre's equation and Cosθ + iSinθ=e^(iθ) When θ=Pi (radians) e^(i*pi) = Cos(pi) + iSin(pi) We known Cos(pi)=-1 and Sin(pi)=0, Therefore, e^(i*pi)=-1 or e^(i*pi) + 1 = 0]]>http://www.mathisfunforum.com/profile.php?id=6822005-09-27T04:01:36Zhttp://www.mathisfunforum.com/viewtopic.php?pid=14790#p14790??? e as in the natural logarithm?]]>http://www.mathisfunforum.com/profile.php?id=10412005-09-25T19:01:46Zhttp://www.mathisfunforum.com/viewtopic.php?pid=14747#p14747I saw on numb3rs yesterday that the irrational number "pi" is found in other area's of math, totally unrelated to circles. Is this true? And where else does pi appear?]]>http://www.mathisfunforum.com/profile.php?id=10412005-09-25T04:30:27Zhttp://www.mathisfunforum.com/viewtopic.php?pid=14734#p14734