Hear me out

-1 is a rotation of pi
-1 composed with -1 is 2 rotations of pi, or one rotation of 2pi which is in the same equivalence class as the identity, 1

Must be an American high school, regular people learn this in grade 5

Telling a retard who can't figure out (-1)*(-1) about Euler s identity, kek.

49

> negative vectors multiply to give a negative vector
You have to be 18+ to use this website.

> thinks complex numbers are a "problem"