There are some trigonometric identities which you must remember in order to simplify trigonometric expressions when required. When you are asked to prove something, ignore the right hand side of ...

For centuries, mathematicians have sought various ways to prove this theorem using algebra and geometry. However, attempts to ...

In 2022, two high school students created a trigonometric proof of the Pythagorean ... rely on circular reasoning (using the theorem to prove the theorem). However, Calcea Johnson and Ne’Kiya ...