sinh(x) /x\ /x\
------- + cosh|-|*sinh|-|
2 \2/ \2/
$$\frac{\sinh{\left(x \right)}}{2} + \sinh{\left(\frac{x}{2} \right)} \cosh{\left(\frac{x}{2} \right)}$$
2/x\ 2/x\
cosh |-| + sinh |-| + cosh(x)
\2/ \2/
-----------------------------
2
$$\frac{\sinh^{2}{\left(\frac{x}{2} \right)} + \cosh^{2}{\left(\frac{x}{2} \right)} + \cosh{\left(x \right)}}{2}$$
sinh(x) /x\ /x\
------- + cosh|-|*sinh|-|
2 \2/ \2/
$$\sinh{\left(\frac{x}{2} \right)} \cosh{\left(\frac{x}{2} \right)} + \frac{\sinh{\left(x \right)}}{2}$$