From efa82f7edc7345c29c2d44674d8c8d8ad8741548 Mon Sep 17 00:00:00 2001
From: Nicolas Tobler <nicolas.tobler@ost.ch>
Date: Sat, 13 Aug 2022 19:32:21 +0200
Subject: corrections

---
 buch/papers/ellfilter/tikz/arccos.tikz.tex | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'buch/papers/ellfilter/tikz/arccos.tikz.tex')

diff --git a/buch/papers/ellfilter/tikz/arccos.tikz.tex b/buch/papers/ellfilter/tikz/arccos.tikz.tex
index a139fc4..b11c25d 100644
--- a/buch/papers/ellfilter/tikz/arccos.tikz.tex
+++ b/buch/papers/ellfilter/tikz/arccos.tikz.tex
@@ -52,9 +52,14 @@
     \end{scope}
 
     \node[zero] at (4,2) (n) {};
-    \node[anchor=west] at (n.east) {Zero};
+    \node[anchor=west] at (n.east) {Nullstelle};
 
-    \begin{scope}[yshift=-3cm]
+    \begin{scope}[yshift=-3.25cm]
+
+        \draw[->, thick](0,0) -- node[anchor=center, fill=white]{$z = \cos^{-1}(w)$} (0,1);
+
+    \end{scope}
+    \begin{scope}[yshift=-4cm]
 
         \draw[gray, ->] (-5,0) -- (5,0) node[anchor=west]{$w$};
 
-- 
cgit v1.2.1

