Coshc
From specialfunctionswiki
The $\mathrm{coshc}$ function is defined by $$\mathrm{coshc}(z) = \dfrac{\mathrm{cosh}(z)}{z}.$$
Domain coloring of $\mathrm{coshc}$.
The $\mathrm{coshc}$ function is defined by $$\mathrm{coshc}(z) = \dfrac{\mathrm{cosh}(z)}{z}.$$
Domain coloring of $\mathrm{coshc}$.
