1 + x*x + 2*x*(x - 3) (x - 3)*(x*x + 1)*sinh(x)
--------------------- - -------------------------
cosh(x) 2
cosh (x)
$$- \frac{\left(x - 3\right) \left(x x + 1\right) \sinh{\left(x \right)}}{\cosh^{2}{\left(x \right)}} + \frac{2 x \left(x - 3\right) + x x + 1}{\cosh{\left(x \right)}}$$
/ 2 \ / 2 \
/ 2\ | 2*sinh (x)| 2*\1 + x + 2*x*(-3 + x)/*sinh(x)
-6 + 6*x + \1 + x /*|-1 + ----------|*(-3 + x) - ---------------------------------
| 2 | cosh(x)
\ cosh (x) /
----------------------------------------------------------------------------------
cosh(x)
$$\frac{6 x + \left(x - 3\right) \left(x^{2} + 1\right) \left(\frac{2 \sinh^{2}{\left(x \right)}}{\cosh^{2}{\left(x \right)}} - 1\right) - \frac{2 \left(x^{2} + 2 x \left(x - 3\right) + 1\right) \sinh{\left(x \right)}}{\cosh{\left(x \right)}} - 6}{\cosh{\left(x \right)}}$$
/ 2 \
/ 2\ | 6*sinh (x)|
\1 + x /*|-5 + ----------|*(-3 + x)*sinh(x)
/ 2 \ | 2 |
| 2*sinh (x)| / 2 \ 18*(-1 + x)*sinh(x) \ cosh (x) /
6 + 3*|-1 + ----------|*\1 + x + 2*x*(-3 + x)/ - ------------------- - -------------------------------------------
| 2 | cosh(x) cosh(x)
\ cosh (x) /
-------------------------------------------------------------------------------------------------------------------
cosh(x)
$$\frac{- \frac{\left(x - 3\right) \left(x^{2} + 1\right) \left(\frac{6 \sinh^{2}{\left(x \right)}}{\cosh^{2}{\left(x \right)}} - 5\right) \sinh{\left(x \right)}}{\cosh{\left(x \right)}} - \frac{18 \left(x - 1\right) \sinh{\left(x \right)}}{\cosh{\left(x \right)}} + 3 \left(\frac{2 \sinh^{2}{\left(x \right)}}{\cosh^{2}{\left(x \right)}} - 1\right) \left(x^{2} + 2 x \left(x - 3\right) + 1\right) + 6}{\cosh{\left(x \right)}}$$