Hyperbolic Trig Identities
24:28
Verifying Hyperbolic Trig Identities
10:08
Derivatives of Hyperbolic Functions
27:57
Trig Identities
16:03
Why hyperbolic functions are actually really nice
21:26
Proving Trig Identities (Part 1 of 2) (5.5)
32:32
Why don't they teach simple visual logarithms (and hyperbolic trig)?
19:50
Trigonometric Substitution
9:07