Intuitive Guide to Hyperbolic Functions
If the exponential function is water, the hyperbolic functions ( and ) are hydrogen and oxygen. They’re the technical, rarely-discussed parts that combine into a famous whole. Admittedly, the hyperbolic functions were tucked into a dark part of my attic. They were defined with strained motivations (“Need yet another way to build a hyperbola?”) then crammed into tables of integrals, soon…