The Pythagorean theorem has never been easier to understand! Learn how to use it to solve any right triangle with clear examples and step-by-step explanations. Perfect for revision, exams, and math ...

The Pythagorean Theorem—discovered by the Greek mathematician Pythagoras in the 6th century BCE—is a cornerstone of mathematics. Simply stated as a 2 + b 2 = c 2, the theorem posits that the sum of ...

These functions, such as the sine and cosine, are defined using right triangles. Imagine a right triangle with one side that ... the law of sines didn’t depend on the Pythagorean theorem and that they ...