From 374bb4a4dbc16598329cb777600c531c8c848330 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Andreas=20M=C3=BCller?= <andreas.mueller@ost.ch>
Date: Sun, 5 Jun 2022 11:24:46 +0200
Subject: fix trigo definition graph

---
 .../chapters/030-geometrie/images/einheitskreis.pdf | Bin 19706 -> 20005 bytes
 .../chapters/030-geometrie/images/einheitskreis.tex |   4 ++++
 2 files changed, 4 insertions(+)

(limited to 'buch/chapters/030-geometrie/images')

diff --git a/buch/chapters/030-geometrie/images/einheitskreis.pdf b/buch/chapters/030-geometrie/images/einheitskreis.pdf
index 0b514eb..d708377 100644
Binary files a/buch/chapters/030-geometrie/images/einheitskreis.pdf and b/buch/chapters/030-geometrie/images/einheitskreis.pdf differ
diff --git a/buch/chapters/030-geometrie/images/einheitskreis.tex b/buch/chapters/030-geometrie/images/einheitskreis.tex
index c38dc19..a194190 100644
--- a/buch/chapters/030-geometrie/images/einheitskreis.tex
+++ b/buch/chapters/030-geometrie/images/einheitskreis.tex
@@ -41,6 +41,7 @@
 \fill[color=blue] (\a:\r) circle[radius=0.05];
 
 \draw[color=blue,line width=1.4pt] (\r,0) -- (\r,{\r*tan(\a)});
+\fill[color=blue] (\r,{\r*tan(\a)}) circle[radius=1.0pt];
 \node[color=blue] at (\r,{0.5*\r*tan(\a)}) [right] {$\tan\alpha$};
 
 \draw[color=blue,line width=0.4pt] ({\r*cos(\a)},0) -- (\a:\r);
@@ -53,6 +54,7 @@
 \draw[color=blue] (-0.1,{\r*sin(\a)}) -- (0.1,{\r*sin(\a)});
 
 \draw[color=blue,line width=1.4pt] (0,\r) -- ({\r/tan(\a)},\r);
+\fill[color=blue] ({\r/tan(\a)},\r) circle[radius=1.0pt];
 \node[color=blue] at ({0.5*\r/tan(\a)},\r) [above] {$\cot\alpha$};
 
 \draw[color=darkgreen,line width=1pt] (0,0) -- (\b:\r);
@@ -61,9 +63,11 @@
 \fill[color=darkgreen] (\b:\r) circle[radius=0.05];
 
 \draw[color=darkgreen,line width=1.4pt] (0,\r) -- ({\r/tan(\b)},\r);
+\fill[color=darkgreen] ({\r/tan(\b)},\r) circle[radius=1.0pt];
 \node[color=darkgreen] at ({0.5*\r/tan(\b)},\r) [above] {$\cot\beta$};
 
 \draw[color=darkgreen,line width=1.4pt] (\r,0) -- (\r,{\r*tan(\b)});
+\fill[color=darkgreen] (\r,{\r*tan(\b)}) circle[radius=1.0pt];
 \node[color=darkgreen] at (\r,{0.5*\r*tan(\b)}) [right] {$\tan\beta$};
 
 \draw[color=darkgreen,line width=0.4pt] (\b:\r) -- (0,{\r*sin(\b)});
-- 
cgit v1.2.1