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murks gerettet
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1 changed files with 4 additions and 16 deletions
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@ -1,6 +1,6 @@
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% Created 2017-11-19 Sun 20:51
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% Intended LaTeX compiler: pdflatex
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\documentclass[fontsize=11pt,paper=a4,BCOR=0mm,DIV=11]{scrbook}
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\documentclass[fontsize=11pt,paper=a4,BCOR=0mm,DIV=11,automark,headsepline]{scrbook}
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\usepackage[utf8]{inputenc}
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%\usepackage{beton}
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%\usepackage{euler}
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@ -22,16 +22,8 @@
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\usepackage{hyperref}
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\usepackage{nicefrac}
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\usepackage[ngerman]{babel}
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\usepackage{fancyhdr}
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\usepackage{mathtools} % for xrightarrow
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\usepackage{todonotes}
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\pagestyle{fancy}
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\fancyhead{}
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\fancyfoot{}
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\fancyhead[L]{\rightmark}
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\fancyhead[R]{\thepage}
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\renewcommand{\headrulewidth}{0.4pt}
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\renewcommand{\footrulewidth}{0pt}
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\newcommand{\gq}[1]{\glqq{}#1\grqq{}} % german quotes
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\newcommand{\mcolor}[2][red]{\begingroup\color{#1}#2\endgroup }
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\DeclareMathOperator{\mdim}{dim}
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@ -704,7 +696,7 @@ konjugierte Zahl zu \(a+bi\).
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\label{sec:org0018acd}
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\begin{definition}{Inverses einer Komplexen Zahl}{ci}
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Das Inverse einer Komplexen Zahl ist gegeben durch: \[\forall z\not= 0\; \exists z^{-1} = \frac{\overline{z}}{|z|^2}\) mit \(z \cdot z^{-1}=1\]
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Das Inverse einer Komplexen Zahl ist gegeben durch: \(\forall z\not= 0\; \exists z^{-1} = \frac{\overline{z}}{|z|^2}\) mit \(z \cdot z^{-1}=1\)
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\end{definition}
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\begin{exa}[] \label{} \
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@ -807,20 +799,16 @@ Mit dieser Notation folgt:
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\end{relation}
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\begin{exa}[] \label{}\
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\begin{equation*}
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\begin{align*}
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\cos(\varphi)+i\cdot \sin(\varphi))^2 & =\cos^2(\varphi)-\sin^2(\varphi)+2\cdot i\cdot\sin(\varphi)\cdot\cos(\varphi) \\
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& = \cos(2\varphi) + 2\cdot i \cdot\sin(2\varphi)
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(\cos(\varphi)+i\cdot \sin(\varphi))^2 & = \cos^2(\varphi)-\sin^2(\varphi)+2\cdot i\cdot\sin(\varphi)\cdot\cos(\varphi) \\
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& = \cos(2\varphi) + 2\cdot i \cdot\sin(2\varphi) \\
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\end{align*}
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\begin{center}
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\[ \implies
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\begin{cases}
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\cos(2\varphi)=\cos^2(\varphi)-\sin^2(\varphi) \\
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\sin(2\varphi)=2\cdot\sin(\varphi)\cdot\cos(\varphi)
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\end{cases}
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\]
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\end{equation*}
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\end{exa}
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\section{Einscheitswurzeln}
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