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Diffstat (limited to 'buch/chapters/030-geometrie/images/deftrig.tex')
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diff --git a/buch/chapters/030-geometrie/images/deftrig.tex b/buch/chapters/030-geometrie/images/deftrig.tex new file mode 100644 index 0000000..b7d0748 --- /dev/null +++ b/buch/chapters/030-geometrie/images/deftrig.tex @@ -0,0 +1,36 @@ +% +% deftrig.tex -- Definition der trigonometrischen Funktionen +% +% (c) 2021 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule +% +\documentclass[tikz]{standalone} +\usepackage{amsmath} +\usepackage{times} +\usepackage{txfonts} +\usepackage{pgfplots} +\usepackage{csvsimple} +\usetikzlibrary{arrows,intersections,math,calc} +\begin{document} +\def\skala{1} +\begin{tikzpicture}[>=latex,thick,scale=\skala] + +\coordinate (B) at (0,0); +\coordinate (C) at (4,0); +\coordinate (A) at (4,3); +\fill[color=gray] (B) -- (0:1.5) arc (0:{atan(3/4)}:1.5) -- cycle; +\node at ({0.5*atan(3/4)}:1) {$\alpha$}; +\draw (A) -- (B) -- (C) -- cycle; +\fill (A) circle[radius=0.04]; +\fill (B) circle[radius=0.04]; +\fill (C) circle[radius=0.04]; +\node at ($0.5*(A)+0.5*(B)$) [above left] {$c$}; +\node at ($0.5*(B)+0.5*(C)$) [below] {$a$}; +\node at ($0.5*(C)+0.5*(A)$) [right] {$b$}; +\node at (A) [above right] {$A$}; +\node at (B) [below left] {$B$}; +\node at (C) [below right] {$C$}; + +\end{tikzpicture} +\end{document} + +--- |