本次共计算 1 个题目:每一题对 x 求 1 阶导数。
注意,变量是区分大小写的。\[ \begin{equation}\begin{split}【1/1】求函数ln(\frac{(1 + sin(x))}{(1 - sin(x))}) 关于 x 的 1 阶导数:\\\end{split}\end{equation} \]
\[ \begin{equation}\begin{split}\\解:&\\ &原函数 = ln(\frac{sin(x)}{(-sin(x) + 1)} + \frac{1}{(-sin(x) + 1)})\\&\color{blue}{函数的第 1 阶导数:}\\&\frac{d\left( ln(\frac{sin(x)}{(-sin(x) + 1)} + \frac{1}{(-sin(x) + 1)})\right)}{dx}\\=&\frac{((\frac{-(-cos(x) + 0)}{(-sin(x) + 1)^{2}})sin(x) + \frac{cos(x)}{(-sin(x) + 1)} + (\frac{-(-cos(x) + 0)}{(-sin(x) + 1)^{2}}))}{(\frac{sin(x)}{(-sin(x) + 1)} + \frac{1}{(-sin(x) + 1)})}\\=&\frac{sin(x)cos(x)}{(\frac{sin(x)}{(-sin(x) + 1)} + \frac{1}{(-sin(x) + 1)})(-sin(x) + 1)^{2}} + \frac{cos(x)}{(-sin(x) + 1)(\frac{sin(x)}{(-sin(x) + 1)} + \frac{1}{(-sin(x) + 1)})} + \frac{cos(x)}{(\frac{sin(x)}{(-sin(x) + 1)} + \frac{1}{(-sin(x) + 1)})(-sin(x) + 1)^{2}}\\ \end{split}\end{equation} \]你的问题在这里没有得到解决?请到 热门难题 里面看看吧!