$$$\sin{\left(a \right)}$$$ の $$$x$$$ に関する積分
入力内容
$$$\int \sin{\left(a \right)}\, dx$$$ を求めよ。
解答
$$$c=\sin{\left(a \right)}$$$ に対して定数則 $$$\int c\, dx = c x$$$ を適用する:
$${\color{red}{\int{\sin{\left(a \right)} d x}}} = {\color{red}{x \sin{\left(a \right)}}}$$
したがって、
$$\int{\sin{\left(a \right)} d x} = x \sin{\left(a \right)}$$
積分定数を加える:
$$\int{\sin{\left(a \right)} d x} = x \sin{\left(a \right)}+C$$
解答
$$$\int \sin{\left(a \right)}\, dx = x \sin{\left(a \right)} + C$$$A