Many people remember struggling with trigonometry in school and often wondering where they would ever use it in real life. For most, the formulas stayed limited to textbooks and exams, with little ...

A GCSE Maths video about finding exact trigonometric values. This video explains the exact values of sinθ, cosθ and tanθ for 0°, 30°, 45°, 60° and 90° and shows how they can also be worked out using a ...