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 ...

This angle needs to be drawn at 160°. Position the protractor on top of the circle so that ... fixtures that are won measures 225°. As a fraction of the whole pie chart this represents 225/ ...