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 ...

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 ...

Students who will appear for the examination might be worried about what to revise on the last day, here is a list of ...

Many students think they've solved a trig equation when they get one answer (one size of angle \(x^\circ\)). However there's often more than one answer expected so be aware of this. Let's remind ...