/ 2 \
| 2*sinh (x) |
| - ----------- + cosh(x) |
| 1 + cosh(x) 2*cosh(x) |
|1 - ----------------------- - -----------|*sinh(x)
\ 1 + cosh(x) 1 + cosh(x)/
---------------------------------------------------
1 + cosh(x)
$$\frac{\left(1 - \frac{\cosh{\left(x \right)} - \frac{2 \sinh^{2}{\left(x \right)}}{\cosh{\left(x \right)} + 1}}{\cosh{\left(x \right)} + 1} - \frac{2 \cosh{\left(x \right)}}{\cosh{\left(x \right)} + 1}\right) \sinh{\left(x \right)}}{\cosh{\left(x \right)} + 1}$$
/ 2 \
2 | 6*cosh(x) 6*sinh (x) | / 2 \
sinh (x)*|1 - ----------- + --------------| | 2*sinh (x) |
2 | 1 + cosh(x) 2| 3*|- ----------- + cosh(x)|*cosh(x)
3*sinh (x) \ (1 + cosh(x)) / \ 1 + cosh(x) /
- ----------- - ------------------------------------------- - ----------------------------------- + cosh(x)
1 + cosh(x) 1 + cosh(x) 1 + cosh(x)
-----------------------------------------------------------------------------------------------------------
1 + cosh(x)
$$\frac{\cosh{\left(x \right)} - \frac{3 \left(\cosh{\left(x \right)} - \frac{2 \sinh^{2}{\left(x \right)}}{\cosh{\left(x \right)} + 1}\right) \cosh{\left(x \right)}}{\cosh{\left(x \right)} + 1} - \frac{\left(1 - \frac{6 \cosh{\left(x \right)}}{\cosh{\left(x \right)} + 1} + \frac{6 \sinh^{2}{\left(x \right)}}{\left(\cosh{\left(x \right)} + 1\right)^{2}}\right) \sinh^{2}{\left(x \right)}}{\cosh{\left(x \right)} + 1} - \frac{3 \sinh^{2}{\left(x \right)}}{\cosh{\left(x \right)} + 1}}{\cosh{\left(x \right)} + 1}$$