/ / 2 \ \
| | 3*cosh (x)| 2*cosh(x)|
-2*|x*|1 - ----------| + ---------|
| | 2 | sinh(x) |
\ \ sinh (x) / /
-----------------------------------
2
sinh (x)
$$- \frac{2 \left(x \left(1 - \frac{3 \cosh^{2}{\left(x \right)}}{\sinh^{2}{\left(x \right)}}\right) + \frac{2 \cosh{\left(x \right)}}{\sinh{\left(x \right)}}\right)}{\sinh^{2}{\left(x \right)}}$$
/ / 2 \ \
| | 3*cosh (x)| |
| 4*x*|2 - ----------|*cosh(x)|
| 2 | 2 | |
| 9*cosh (x) \ sinh (x) / |
2*|-3 + ---------- + ----------------------------|
| 2 sinh(x) |
\ sinh (x) /
--------------------------------------------------
2
sinh (x)
$$\frac{2 \left(\frac{4 x \left(2 - \frac{3 \cosh^{2}{\left(x \right)}}{\sinh^{2}{\left(x \right)}}\right) \cosh{\left(x \right)}}{\sinh{\left(x \right)}} - 3 + \frac{9 \cosh^{2}{\left(x \right)}}{\sinh^{2}{\left(x \right)}}\right)}{\sinh^{2}{\left(x \right)}}$$