Geometrie-Trigonometrie-Sinussatz

$ \frac{a}{ sin\alpha} = \frac{b}{ sin\beta }= \frac{c}{ sin\gamma }$
$a = \frac{b\cdot sin\alpha }{ sin\beta }$
1 2 3 4 5 6 7
$sin\alpha = \frac{a\cdot sin\beta }{ b}$
1 2 3 4 5