Trigonometry can be used to find the length of a side in a triangle. Trigonometry close trigonometryThe study of sides and angles in triangles. can be used to find a missing side in a right-angled ...

This turned out ... a triangle between any three points, plug in the metrics you know (the length of sides, the size of angles) and mathematical magic can deliver unknown quantities. Trigonometry ...

Two US college students discovered five new proofs of Pythagoras' theorem using trigonometry ... between the sides of a right-angled triangle, where the square of the hypotenuse is equal to ...