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added DeclareMathOperator

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Martin Thoma 2012-09-16 11:58:27 +02:00
parent ead6ed7cbc
commit c01d42ecb0
1 changed files with 2 additions and 4 deletions
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cheat-sheets/analysis/Analysis_Wichtige_Formeln.tex
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@ -1,6 +1,7 @@
\documentclass[a4paper,10pt]{article}
\usepackage{amssymb}
\usepackage{amsmath}
\DeclareMahOperator\arctanh{arctanh}
\usepackage[utf8]{inputenc} % this is needed for umlauts
\usepackage[ngerman]{babel} % this is needed for umlauts
\usepackage[T1]{fontenc} % this is needed for correct output of umlauts in pdf
@ -56,9 +57,6 @@ e^x &= \sum_{n = 0}^{\infty} \frac {x^n}{n!} \\
\section{Zusammenhänge}
\begin{align*}
(\cos x)^2 + (\sin x)^2 &= 1 \\
@ -73,7 +71,7 @@ e^x &= \sum_{n = 0}^{\infty} \frac {x^n}{n!} \\
(\arctan x)' &= \frac {1}{1 + x^2} \\
(\sin x)' &= \cos x \\
(\cos x)' &= -\sin x \\
(\text{arctanh} x)' &= \frac {1}{\sqrt {1 + x^2}}
(\arctanh x)' &= \frac {1}{\sqrt {1 + x^2}}
\end{align*}