<\/p>\n
\\( y = f(x)\\) \u306e\u5c0e\u95a2\u6570\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304f\u306e\u3067\u3042\u3063\u305f\u3002
\n$$y’, \\ \\\u00a0 \\frac{dy}{dx}, \\ \\\u00a0 f'(x) , \\ \\ \u00a0 \\frac{df}{dx} $$
\n\u5c0e\u95a2\u6570\u306e\u5c0e\u95a2\u6570\u3092\u300c2\u968e\u5c0e\u95a2\u6570\u300d\u3068\u8a00\u3044\uff0c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u304f\u3002
\n$$y^{”}, \\ \\\u00a0 \\frac{d}{dx}\\frac{dy}{dx} = \\frac{d^2 y}{dx^2}, \\ \\\u00a0 f^{”}(x) , \\ \\ \u00a0 \\frac{d^2f}{dx^2} $$<\/p>\n
\u4e09\u89d2\u95a2\u6570\u30922\u968e\u5fae\u5206\u3059\u308b\u3068…<\/p>\n
\\begin{eqnarray}
\n\\left( \\sin x \\right)’ &=& \\cos x \\\\
\n\\left( \\sin x \\right)^{”} &=& \\left( \\cos x \\right)’ = -\\sin x
\n\\end{eqnarray}<\/p>\n
\\begin{eqnarray}
\n\\left( \\cos x \\right)’ &=& -\\sin x \\\\
\n\\left( \\cos x \\right)^{”} &=& -\\left( \\sin x \\right)’\u00a0 =\u00a0 -\\cos x
\n\\end{eqnarray}<\/p>\n
\u3064\u307e\u308a\uff0c$\\sin x, \\ \\cos x$ \u3092 $x$ \u30672\u968e\u5fae\u5206\u3059\u308b\u3068\uff0c\u81ea\u5206\u81ea\u8eab\u306b\u30de\u30a4\u30ca\u30b9\u304c\u3064\u3044\u305f\u7b54\u3048\u306b\u306a\u308b\u3002\u3053\u308c\u3092\u899a\u3048\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n