$$e^{\cosh{\left (x \right )}} \sinh{\left (x \right )}$$
/ 2 \ cosh(x)
\sinh (x) + cosh(x)/*e
$$\left(\sinh^{2}{\left (x \right )} + \cosh{\left (x \right )}\right) e^{\cosh{\left (x \right )}}$$
/ 2 \ cosh(x)
\1 + sinh (x) + 3*cosh(x)/*e *sinh(x)
$$\left(\sinh^{2}{\left (x \right )} + 3 \cosh{\left (x \right )} + 1\right) e^{\cosh{\left (x \right )}} \sinh{\left (x \right )}$$