\begin{equation*}\sin{\alpha}=\frac{\mbox{Gegenkathete}}{\mbox{Hypotenuse}}=\frac{a}{c}\end{equation*} \begin{equation*}\cos{\alpha}=\frac{\mbox{Ankathete}}{\mbox{Hypotenuse}}=\frac{b}{c}\end{equation*} \begin{equation*}\tan{\alpha}=\frac{\mbox{Gegenkathete}}{\mbox{Ankathete}}=\frac{a}{b}\end{equation*} \begin{equation*}\cot{\alpha}=\frac{\mbox{Ankathete}}{\mbox{Gegenkathete}}=\frac{b}{a}\end{equation*} |
Seiten eines rechtwinkligen Dreiecks |