2 3
z *sinh(z) + 2*z*cosh(z) 4*z *cosh(z)
------------------------ - ------------
2 3
/ 2 \ / 2 \
\z - 1/ \z - 1/
$$- \frac{4 z^{3} \cosh{\left(z \right)}}{\left(z^{2} - 1\right)^{3}} + \frac{z^{2} \sinh{\left(z \right)} + 2 z \cosh{\left(z \right)}}{\left(z^{2} - 1\right)^{2}}$$
/ 2 \
2 | 6*z |
4*z *|-1 + -------|*cosh(z)
2 | 2|
2 8*z *(2*cosh(z) + z*sinh(z)) \ -1 + z /
2*cosh(z) + z *cosh(z) + 4*z*sinh(z) - ---------------------------- + ---------------------------
2 2
-1 + z -1 + z
-------------------------------------------------------------------------------------------------
2
/ 2\
\-1 + z /
$$\frac{z^{2} \cosh{\left(z \right)} - \frac{8 z^{2} \left(z \sinh{\left(z \right)} + 2 \cosh{\left(z \right)}\right)}{z^{2} - 1} + \frac{4 z^{2} \left(\frac{6 z^{2}}{z^{2} - 1} - 1\right) \cosh{\left(z \right)}}{z^{2} - 1} + 4 z \sinh{\left(z \right)} + 2 \cosh{\left(z \right)}}{\left(z^{2} - 1\right)^{2}}$$
/ 2 \ / 2 \
3 | 8*z | | 6*z |
24*z *|-3 + -------|*cosh(z) 12*z*|-1 + -------|*(2*cosh(z) + z*sinh(z))
/ 2 \ | 2| | 2|
2 12*z*\2*cosh(z) + z *cosh(z) + 4*z*sinh(z)/ \ -1 + z / \ -1 + z /
6*sinh(z) + z *sinh(z) + 6*z*cosh(z) - ------------------------------------------- - ---------------------------- + -------------------------------------------
2 2 2
-1 + z / 2\ -1 + z
\-1 + z /
---------------------------------------------------------------------------------------------------------------------------------------------------------------
2
/ 2\
\-1 + z /
$$\frac{- \frac{24 z^{3} \left(\frac{8 z^{2}}{z^{2} - 1} - 3\right) \cosh{\left(z \right)}}{\left(z^{2} - 1\right)^{2}} + z^{2} \sinh{\left(z \right)} + 6 z \cosh{\left(z \right)} + \frac{12 z \left(z \sinh{\left(z \right)} + 2 \cosh{\left(z \right)}\right) \left(\frac{6 z^{2}}{z^{2} - 1} - 1\right)}{z^{2} - 1} - \frac{12 z \left(z^{2} \cosh{\left(z \right)} + 4 z \sinh{\left(z \right)} + 2 \cosh{\left(z \right)}\right)}{z^{2} - 1} + 6 \sinh{\left(z \right)}}{\left(z^{2} - 1\right)^{2}}$$