Add function graphs

tikz/trigonometric-function-graphs/trigonometric-function-graphs.tex

@@ -0,0 +1,38 @@
+\documentclass[varwidth=false, border=2pt]{standalone}
+
+\usepackage{pgfplots}
+\usepackage{tikz}
+\usepackage{nicefrac}
+\pgfplotsset{every axis legend/.append style={
+at={(0,0)},
+anchor=north east}}
+
+\begin{document}
+\begin{tikzpicture}
+    \begin{axis}[
+        axis x line=middle,
+        axis y line=middle,
+        grid = major,
+        width=16cm,
+        height=8cm,
+        grid style={dashed, gray!30},
+        xmin= 0,   % start the diagram at this x-coordinate
+        xmax= 7,   % end   the diagram at this x-coordinate
+        ymin=-1.1,   % start the diagram at this y-coordinate
+        ymax= 1.1,   % end   the diagram at this y-coordinate
+        xlabel=$x$,
+        ylabel=$y$,
+        xtick={0,pi/2,pi,1.5*pi,2*pi},
+        xticklabels={0,$\frac{\pi}{2}$,$\pi$,$\frac{3 \cdot \pi}{2}$,$2 \pi$},
+        legend cell align=left,
+        legend pos=south east,
+        legend style={draw=none},
+        tick align=outside,
+        enlargelimits=false]
+      % plot the function
+      \addplot[domain=0:7, red, ultra thick,samples=1000] {sin(deg(x))};
+      \addplot[domain=0:7, blue, ultra thick,dotted,samples=1000] {cos(deg(x))};
+      \legend{$\sin(x)$, $\cos(x)$}
+    \end{axis}
+\end{tikzpicture}
+\end{document}