This circle has the centre at the origin and a radius of 1 unit. The point P can move around the circumference of the circle. At point P the \(x\)-coordinate is \(\cos{\theta}\) and the \(y ...

Other graphs - Edexcel The most commonly occurring ... metric and they can be converted using conversion factors. Trigonometry - Edexcel The three trigonometric ratios; sine, cosine and tangent ...