Math, Better Explained: Learn to Unlock Your Math Intuition

by Kalid Azad

Euler’s formula looks utterly baffling: eix = cos(x) + isin(x) This means eiπ = cos(π) + isin(π) = –1 + i(0) = –1 which is so surreal I need to write it again: eiπ = –1

Euler's formula