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수직 그래프(x=n)

\begin{tikzpicture} [+preamble] \usepackage{pgfplots} \pgfplotsset{compat=newest} [/preamble] \begin{axis}[ ticks=none, xmin=-1, xmax=5, ymin=-1, ymax=5, axis lines=middle, xlabel=$w$, ylabel=$r$, disabledatascaling] \draw[line width=0.5mm]…
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Sine(싸인) 그래프

    \begin{tikzpicture} [+preamble] \usepackage{pgfplots} \pgfplotsset{compat=newest} [/preamble] \begin{axis}[ ticks=none, xmin=-1*pi, xmax=5*pi, ymin=-1.5, ymax=1.5, axis lines=middle, xlabel=$t$, ylabel=$y$, disabledatascaling]…
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원과 접선(3)

\begin{tikzpicture} [+preamble] \usepackage{pgfplots} \pgfplotsset{compat=newest} [/preamble] \begin{axis}[ ticks=none, xmin=-2, xmax=2, ymin=-2, ymax=2, axis equal, axis lines=middle, xlabel=$x$, ylabel=$y$, disabledatascaling]…
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원과 접선(tangent line) 2

\begin{tikzpicture} [+preamble] \usepackage{pgfplots} \pgfplotsset{compat=newest} [/preamble] \pgfmathsetmacro{\tangentpoint}{sqrt(19)}% \begin{axis}[ ticks=none, xmin=-1.5, xmax=1.5, ymin=-1.5, ymax=1.5, axis equal, axis lines=middle, xlabel=$x$, ylabel=$y$,…