The applications of hyperbolic trig | Why do we even care about these things?

Hyperbolic Sine & Cosine

Why hyperbolic functions are actually really nice

Hyperbolic Trig Functions - Basic Introduction

Hyperbolic Functions: Definitions, Identities, Derivatives, and Inverses

Prove that the Hyperbolic Cosine Function is Even: cosh(-u) = cosh(u)

Definitions of Cosh and Sinh

Complex definitions of sine and cosine

Complex Hyperbolic Trigonometry Proofs: cos(iz) = cosh(z) and cosh(iz) = cos(z)

Relations between cos cosh sin sinh

Use definitions of hyperbolic sin and cos to show that cosh^2 x - sinh^2 x = 1.Hyperbolic functions

Osborn's Rule || cos iz = cosh z || Complex Numbers

How to Graph the Hyperbolic Cosine f(x) = cosh(x)

Calculus 2: Hyperbolic Functions (13 of 57) Determine sinh(2x)=? and cosh(2x)=?

And You Thought Trigonometry Was Pointless…

Hyperbolics - sinh and cosh

A Perspective on sinh (x) & cosh (x) Definitions (hyperbolics)

Prove cosh^2(x) - sinh^2(x) = 1 Hyperbolic Identity

Graphs of sinh x, cosh x and tanh x | ExamSolutions

Find the Derivative of y = cosh^2(5x)