Integral of $$$\frac{x \sinh{\left(x \right)}}{\left(\cosh^{2}{\left(x \right)} + 1\right)^{2}}$$$
Related calculator: Definite and Improper Integral Calculator
Your Input
Find $$$\int \frac{x \sinh{\left(x \right)}}{\left(\cosh^{2}{\left(x \right)} + 1\right)^{2}}\, dx$$$.