$$$\sec^{2}{\left(\theta \right)}$$$ 的积分
您的输入
求$$$\int \sec^{2}{\left(\theta \right)}\, d\theta$$$。
解答
$$$\sec^{2}{\left(\theta \right)}$$$ 的积分为 $$$\int{\sec^{2}{\left(\theta \right)} d \theta} = \tan{\left(\theta \right)}$$$:
$${\color{red}{\int{\sec^{2}{\left(\theta \right)} d \theta}}} = {\color{red}{\tan{\left(\theta \right)}}}$$
因此,
$$\int{\sec^{2}{\left(\theta \right)} d \theta} = \tan{\left(\theta \right)}$$
加上积分常数:
$$\int{\sec^{2}{\left(\theta \right)} d \theta} = \tan{\left(\theta \right)}+C$$
答案
$$$\int \sec^{2}{\left(\theta \right)}\, d\theta = \tan{\left(\theta \right)} + C$$$A
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