Thank you, DonAntonio, mathman and micromass, I thought that was what my error was, but I wasn't sure. You see, I haven't yet taken a course in which I learn even the basics of complex numbers, so my knowledge in that area is rather lacking.
I was messing around with Euler’s Identity and I think I accidently disproved it. I would like someone to check my math to make sure I didn’t make any rookie mistakes.
\begin{array}{l}
e^{\pi i} + 1 = 0 \\
e^{\pi i} = - 1 \\
\left( {e^{\pi i} } \right)^2 = \left( { - 1}...