$$$\frac{\sin{\left(x \right)}}{- \sinh{\left(x \right)} + \cosh{\left(x \right)} + 1}$$$ 的积分

该计算器将求出$$$\frac{\sin{\left(x \right)}}{- \sinh{\left(x \right)} + \cosh{\left(x \right)} + 1}$$$的积分/原函数，并显示步骤。

求$$$\int \frac{\sin{\left(x \right)}}{- \sinh{\left(x \right)} + \cosh{\left(x \right)} + 1}\, dx$$$。