Law of Sines

Law of Sines

The law of sines is an equation that relates the three sides of a triangle with the three angles of a triangle using the sine function.

Law of Sines Derivation

Derive Law of Sines

This example derives the law of sines by dividing the general case of the triangle into two right triangles, applying the definition of sine to the share opposite side and equating the expressions together.

Derive Law of Sines (Inscribed Triangle)

The law of sines can be derived using a triangle inscribed on the perimeter of a circle. The proof uses the inscribed angle theorem.