$$$\cos{\left(x y \right)}$$$ 對 $$$z$$$ 的導數
您的輸入
求$$$\frac{d}{dz} \left(\cos{\left(x y \right)}\right)$$$。
解答
常數的導數為$$$0$$$:
$${\color{red}\left(\frac{d}{dz} \left(\cos{\left(x y \right)}\right)\right)} = {\color{red}\left(0\right)}$$因此,$$$\frac{d}{dz} \left(\cos{\left(x y \right)}\right) = 0$$$。
答案
$$$\frac{d}{dz} \left(\cos{\left(x y \right)}\right) = 0$$$A
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