/x\
sinh|-|
\2/
---------
/x\
2*cosh|-|
\2/
$$\frac{\sinh{\left(\frac{x}{2} \right)}}{2 \cosh{\left(\frac{x}{2} \right)}}$$
2/x\
sinh |-|
\2/
1 - --------
2/x\
cosh |-|
\2/
------------
4
$$\frac{- \frac{\sinh^{2}{\left(\frac{x}{2} \right)}}{\cosh^{2}{\left(\frac{x}{2} \right)}} + 1}{4}$$
/ 2/x\\
| sinh |-||
| \2/| /x\
|-1 + --------|*sinh|-|
| 2/x\| \2/
| cosh |-||
\ \2//
-----------------------
/x\
4*cosh|-|
\2/
$$\frac{\left(\frac{\sinh^{2}{\left(\frac{x}{2} \right)}}{\cosh^{2}{\left(\frac{x}{2} \right)}} - 1\right) \sinh{\left(\frac{x}{2} \right)}}{4 \cosh{\left(\frac{x}{2} \right)}}$$