In △XYZ\triangle XYZ△XYZ, if xsin(X)=ysin(Y)\frac{x}{\sin(X)} = \frac{y}{\sin(Y)}sin(X)x=sin(Y)y, what does this relationship imply about the triangle?
It is always a right triangle.
It is a part of the Law of Sines.
The triangle must be equilateral.
The sum of angles is 180∘180^\circ180∘.