An animated guide to using trigonometry. Trigonometric terms are explained and examples are used to show how to find unknown angles and sides for right-angled triangles.

Use as an introduction or recap to lessons on trigonometry. Discuss with students that the different trig functions are based on ratios and show this by comparing similar triangles.

Using trigonometry, a person can determine the missing angle and side measurements of a right triangle based on the information present in a drawing. Although solving trigonometric ratios often ...

Louisiana students amazed the math community by proving the Pythagorean theorem using trigonometry, a feat considered impossible for 2,000 years.

Solving Triangles: Candidates must be adept at solving different types of triangles using trigonometric principles. This includes both right-angled and non-right-angled triangles.