The first derivative
[src]
$$\frac{\sinh{\left(x \right)}}{\cosh{\left(x \right)}}$$
The second derivative
[src]
2
sinh (x)
1 - --------
2
cosh (x)
$$- \frac{\sinh^{2}{\left(x \right)}}{\cosh^{2}{\left(x \right)}} + 1$$
The third derivative
[src]
/ 2 \
| sinh (x)|
2*|-1 + --------|*sinh(x)
| 2 |
\ cosh (x)/
-------------------------
cosh(x)
$$\frac{2 \left(\frac{\sinh^{2}{\left(x \right)}}{\cosh^{2}{\left(x \right)}} - 1\right) \sinh{\left(x \right)}}{\cosh{\left(x \right)}}$$