An equilateral triangle with side lengths of 2 cm can be used to calculate accurate values for the trigonometric ratios of 30° and 60°. The equilateral triangle can be split into two right ...

An equilateral triangle with side lengths of 2 cm can be used to find exact values for the trigonometric ratios of 30° and 60°. The equilateral triangle can be split into two right-angled triangles.