sinh(x)
----------------------------
______________
/ 1 2
/ 1 - -------- *cosh (x)
/ 2
\/ cosh (x)
$$\frac{\sinh{\left (x \right )}}{\sqrt{1 - \frac{1}{\cosh^{2}{\left (x \right )}}} \cosh^{2}{\left (x \right )}}$$
2 2
2*sinh (x) sinh (x)
1 - ---------- - -----------------------
2 / 1 \ 4
cosh (x) |1 - --------|*cosh (x)
| 2 |
\ cosh (x)/
----------------------------------------
______________
/ 1
/ 1 - -------- *cosh(x)
/ 2
\/ cosh (x)
$$\frac{1}{\sqrt{1 - \frac{1}{\cosh^{2}{\left (x \right )}}} \cosh{\left (x \right )}} \left(- \frac{2 \sinh^{2}{\left (x \right )}}{\cosh^{2}{\left (x \right )}} + 1 - \frac{\sinh^{2}{\left (x \right )}}{\left(1 - \frac{1}{\cosh^{2}{\left (x \right )}}\right) \cosh^{4}{\left (x \right )}}\right)$$
/ 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)
$$\frac{\sinh{\left (x \right )}}{\sqrt{1 - \frac{1}{\cosh^{2}{\left (x \right )}}} \cosh^{2}{\left (x \right )}} \left(\frac{6 \sinh^{2}{\left (x \right )}}{\cosh^{2}{\left (x \right )}} - 5 + \frac{7 \sinh^{2}{\left (x \right )}}{\left(1 - \frac{1}{\cosh^{2}{\left (x \right )}}\right) \cosh^{4}{\left (x \right )}} - \frac{3}{\left(1 - \frac{1}{\cosh^{2}{\left (x \right )}}\right) \cosh^{2}{\left (x \right )}} + \frac{3 \sinh^{2}{\left (x \right )}}{\left(1 - \frac{1}{\cosh^{2}{\left (x \right )}}\right)^{2} \cosh^{6}{\left (x \right )}}\right)$$