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.

We all know Múinteoir John loves maths! He is mad for the numbers. But do you who loves maths even more than Múinteoir John? Nature! Yes, that's right, Nature loves maths! Now that sounds like a ...