has a maximum value of 1 and a minimum value of -1. The graph has a period of 360°. This means that it repeats itself every 360°. The graph of \(y = \cos{\theta}\) has a maximum value of 1 and a ...

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 ...