Files
notes/MA1006/tut-2023-10-10.tex
bluepython508 688d1ec426 Initial work
2023-11-01 08:55:40 +00:00

42 lines
1.4 KiB
TeX

\input{decls.tex}
\title{Tutorial 2023-10-10}
\begin{document}
\maketitle
\section{}
\section{}
They're rotated by 90 degrees
\section{}
\begin{tabular}{ c c c c }
$\theta$ & $\cos\theta$ & $\sin\theta$ & $\tan\theta$ \\ \hline
$0$ & $ 1 $ & $ 0 $ & $ 0 $ \\ \hline
$\pi/6$ & $\sqrt{3}/2$ & $1/2$ & $\sqrt{3}/3$ \\ \hline
$\pi/4$ & $\sqrt{2}/2$ & $\sqrt{2}/2$ & $1$ \\ \hline
$\pi/3$ & $1/2$ & $\sqrt{3}/2$ & $\sqrt{3}$ \\ \hline
$\pi/2$ & $0$ & $1$ & undefined \\ \hline
$-\pi/6$ & $\sqrt{3}/2$ & $-1/2$ & $-\sqrt{3}/3$ \\ \hline
$-\pi/4$ & $\sqrt{2}/2$ & $-\sqrt{2}/2$ & -1 \\ \hline
$-\pi/3$ & $1/2$ & $-\sqrt{3}/2$ & $-\sqrt{3}$ \\ \hline
$-\pi/2$ & $0$ & $-1$ & undefined \\ \hline
\end{tabular}
\section{}
\subsection{}
\begin{align*}
& +1 = \polar{1}{0} & {-1} = \polar{1}{\pi} \\
& +i = \polar{1}{\frac{\pi}{2}} & {-i} = \polar{1}{-\frac{\pi}{2}}
\end{align*}
\subsection{}
\[1 - i = \polar{\sqrt{2}}{\frac{-\pi}{4}}\]
\[1 + i = \polar{\sqrt{2}}{\frac{\pi}{4}} \]
\subsection{}
\[-1 + i\sqrt{3} = \polar{2}{\frac{-\pi}{3}}\]
\[-1 - i\sqrt{3} = \polar{2}{\frac{+\pi}{3}}\]
\subsection{}
\[\]
\section{}
\subsection{}
\[i\]
\subsection{}
\[\sqrt{2} + \sqrt{2}i\]
\subsection{}
\end{document}