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 ...

Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points. Learn about graphs of trigonometric functions in this National 5 Maths guide.

For those lucky enough to be blessed with a natural aptitude for numbers, maths may well have been a very enjoyable subject indeed. Unfortunately, for those of us keener on the humanities, the very ...