/ 2 2 2 \
| 3 6*sinh (x) 3*sinh (x) 7*sinh (x) |
|-5 - ----------------------- + ---------- + ------------------------ + -----------------------|*sinh(x)
| / 1 \ 2 2 2 / 1 \ 4 |
| |1 - --------|*cosh (x) cosh (x) / 1 \ 6 |1 - --------|*cosh (x)|
| | 2 | |1 - --------| *cosh (x) | 2 | |
| \ cosh (x)/ | 2 | \ cosh (x)/ |
\ \ cosh (x)/ /
--------------------------------------------------------------------------------------------------------
______________
/ 1 2
/ 1 - -------- *cosh (x)
/ 2
\/ cosh (x)