Beyond SOH-CAH-TOA
From circular to hyperbolic trigonometry
Published in
8 min readJul 21, 2020
Today, we will pop a circle inside out. To do so, we will need to contort it such that its radius becomes imaginary. In doing so, we will also contort the circular trigonometry you know (and love?) into hyperbolic trigonometry. Hyperbolic space comes in handy when modeling special relativity.