$$$\cos{\left(x \right)}$$$ 的積分

此計算器將求出 $$$\cos{\left(x \right)}$$$ 的不定積分（原函數），並顯示步驟。

求$$$\int \cos{\left(x \right)}\, dx$$$。

餘弦函數的積分為 $$$\int{\cos{\left(x \right)} d x} = \sin{\left(x \right)}$$$：

$${\color{red}{\int{\cos{\left(x \right)} d x}}} = {\color{red}{\sin{\left(x \right)}}}$$

因此，

$$\int{\cos{\left(x \right)} d x} = \sin{\left(x \right)}$$

加上積分常數：

$$\int{\cos{\left(x \right)} d x} = \sin{\left(x \right)}+C$$

$$$\int \cos{\left(x \right)}\, dx = \sin{\left(x \right)} + C$$$A

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