Hyperbolic Functions & Graphs (Edexcel A-Level Further Mathematics): Flashcards

$\sinh x = \frac{e^x - e^{-x}}{2}$

$\cosh x = \frac{e^x + e^{-x}}{2}$

$\tanh x = \frac{\sinh x}{\cosh x}$

$[1, \infty)$

$(-1, 1)$

Odd function

Even function

$y = -1$ and $y = 1$

Exponential functions

$1$