$$$\tan{\left(y \right)}$$$の導関数
入力内容
$$$\frac{d}{dy} \left(\tan{\left(y \right)}\right)$$$ を求めよ。
解答
正接関数の導関数は$$$\frac{d}{dy} \left(\tan{\left(y \right)}\right) = \sec^{2}{\left(y \right)}$$$:
$${\color{red}\left(\frac{d}{dy} \left(\tan{\left(y \right)}\right)\right)} = {\color{red}\left(\sec^{2}{\left(y \right)}\right)}$$したがって、$$$\frac{d}{dy} \left(\tan{\left(y \right)}\right) = \sec^{2}{\left(y \right)}$$$。
解答
$$$\frac{d}{dy} \left(\tan{\left(y \right)}\right) = \sec^{2}{\left(y \right)}$$$A