$$$\sec^{2}{\left(u \right)}$$$ 的积分

该计算器将求出$$$\sec^{2}{\left(u \right)}$$$的积分/原函数，并显示步骤。

求$$$\int \sec^{2}{\left(u \right)}\, du$$$。

$$$\sec^{2}{\left(u \right)}$$$ 的积分为 $$$\int{\sec^{2}{\left(u \right)} d u} = \tan{\left(u \right)}$$$:

$${\color{red}{\int{\sec^{2}{\left(u \right)} d u}}} = {\color{red}{\tan{\left(u \right)}}}$$

因此，

$$\int{\sec^{2}{\left(u \right)} d u} = \tan{\left(u \right)}$$

加上积分常数：

$$\int{\sec^{2}{\left(u \right)} d u} = \tan{\left(u \right)}+C$$

$$$\int \sec^{2}{\left(u \right)}\, du = \tan{\left(u \right)} + C$$$A

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