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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback