hyperbolic cotangent

hyperbolic cotangent (plural hyperbolic cotangents)

1. (mathematics) A hyperbolic function that is written in symbol coth and defined as the following:

   ${\displaystyle \coth(x)={\frac {\cosh(x)}{\sinh(x)}}={\frac {e^{x}+e^{-x}}{e^{x}-e^{-x}}}}$.

• hyperbolic sine
• hyperbolic cosine