Level:
Project ID:
1103076902
Source Problem:
Accepted:
1
Clonable:
1
Easy:
1
Given a triangle \( ABC \), which of the following equalities is valid?
\( \frac a{\sin\alpha} = \frac b{\sin \beta} \)
\( \frac ab = \frac{\sin \beta}{\sin \alpha} \)
\( \frac a{\sin\alpha} =\frac{\sin\gamma}c \)
\( \frac c{\sin\gamma} = \frac{\sin \alpha}a \)