Fix typo, missing minusesHEADmaster

1 files changed, 2 insertions, 2 deletions

diff --git a/an1e_zf.tex b/an1e_zf.tex
index cb0a026..76ff1c3 100644
--- a/an1e_zf.tex
+++ b/an1e_zf.tex
@@ -287,9 +287,9 @@ R(x) = \frac{P_m(x)}{Q_n(x)} = \frac{p_m x^m + \cdots + p_0}{q_n x^n + \cdots +
 Definitionen der grunds\"atzlichen Winkelfunktionen.
 \begin{align*}
   \sin(x)  &= \frac{e^{ix} - e^{-ix}}{2i} = \sum_{n=0}^\infty (-1)^n \frac{x^{(2n+1)}}{(2n+1)!} \\
-  \cos(x)  &= \frac{e^{ix} + e^{ix}}{2} = \sum_{n=0}^\infty (-1)^n \frac{x^{2n}}{(2n)!}\\
+  \cos(x)  &= \frac{e^{ix} + e^{-ix}}{2} = \sum_{n=0}^\infty (-1)^n \frac{x^{2n}}{(2n)!}\\
   \sinh(x) &= \frac{e^{x} - e^{-x}}{2} = \sum_{n=0}^\infty \frac{x^{(2n+1)}}{(2n+1)!} \\
-  \cosh(x) &= \frac{e^{x} + e^{x}}{2} = \sum_{n=0}^\infty \frac{x^{2n}}{(2n)!}\\
+  \cosh(x) &= \frac{e^{x} + e^{-x}}{2} = \sum_{n=0}^\infty \frac{x^{2n}}{(2n)!}\\
 \end{align*}
 Beziehungen und Identit\"aten.
 \[