Sinussatz:
$$
\frac{a}{sin(α)}=\frac{b}{sin(β)}=\frac{c}{sin(γ)}
$$
Kosinussatz:
$$
a^2 = b^2 + c^2 - 2bc \cos(\alpha)
$$$$
b^2 = a^2 + c^2 - 2ac \cos(\beta)
$$$$
c^2 = a^2 + b^2 - 2ab \cos(\gamma)
$$