Inverse cosh(x)
4:52
Inverse tanh(x)
10:14
inverse sinh(x)
16:03
Why hyperbolic functions are actually really nice
14:50
finally 0^0 approaches 0 (after 6 years!)
11:27
Derivatives of all hyperbolic functions (proofs)
15:24
Romanian Mathematics Olympiad
10:12
Hyperbolic Trig Functions - Basic Introduction
23:07