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$$$\cot{\left(x \right)}$$$的导数
您的输入
求$$$\frac{d}{dx} \left(\cot{\left(x \right)}\right)$$$。
解答
余切函数的导数为$$$\frac{d}{dx} \left(\cot{\left(x \right)}\right) = - \csc^{2}{\left(x \right)}$$$：
$${\color{red}\left(\frac{d}{dx} \left(\cot{\left(x \right)}\right)\right)} = {\color{red}\left(- \csc^{2}{\left(x \right)}\right)}$$因此，$$$\frac{d}{dx} \left(\cot{\left(x \right)}\right) = - \csc^{2}{\left(x \right)}$$$。
答案
$$$\frac{d}{dx} \left(\cot{\left(x \right)}\right) = - \csc^{2}{\left(x \right)}$$$A
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