Prove the trigonometric identities by matching up the peices, (steps) in the correct order. Supports students by providing the steps, and avoiding alebraic mistakes that confuse the key learning ...

This 24 page trig identity booklet was developed in response to students being frustrated because the textbooks did not always explain how and/or why one identity is equal to another. The first few ...

In 2022, U.S. high school students Calcea Johnson and Ne'Kiya Jackson astonished teachers when they discovered a new way to prove Pythagoras' theorem using trigonometry after entering a competition at ...