I’ve been walking around for the past several weeks randomly practising the Triangle pose. I stop wherever I am, take a wide and strong stance, extend to one side, turn and look up. What I see is ...

Using a unit circle can help develop a deeper understanding of trigonometry in right-angled triangles. In this maths lesson, students explore the behaviour of a radius vector as it rotates around a ...

Before they can use sin, cos and tan, pupils need to be able to label the sides of a right-angled triangle. The longest side, the one opposite the right angle, is called the hypotenuse. What you call ...