Why don’t they teach simple visual logarithms (and hyperbolic trig)?
From Mathologer. Simple visual logarithms. Is there such a thing? You bet š 00:00 Intro 01:59 Rubik’s cube and drill 03:26 What’s the area? 05:15 Sum of 1+1/2+1/3+… 06:35 Mystery sum 11:32 What base? 17:25 What is Log_b(x)? 22:14 Is this a circle? 28:53 Proof that e^a = cosh(a) + sinh(a) 30:50 Thanks Maths of…