-cosh(x)
---------
2
sinh (x)
$$- \frac{\cosh{\left(x \right)}}{\sinh^{2}{\left(x \right)}}$$
/ 2 \
| 2*cosh (x)|
-|1 - ----------|
| 2 |
\ sinh (x) /
------------------
sinh(x)
$$- \frac{1 - \frac{2 \cosh^{2}{\left(x \right)}}{\sinh^{2}{\left(x \right)}}}{\sinh{\left(x \right)}}$$
/ 2 \
| 6*cosh (x)|
|5 - ----------|*cosh(x)
| 2 |
\ sinh (x) /
------------------------
2
sinh (x)
$$\frac{\left(5 - \frac{6 \cosh^{2}{\left(x \right)}}{\sinh^{2}{\left(x \right)}}\right) \cosh{\left(x \right)}}{\sinh^{2}{\left(x \right)}}$$