Description: 👉 Learn how to graph a cosine function. To graph a cosine function, we first determine the amplitude (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.

Graphing a piecewise function can be confusing for students. So in this video I go through the steps you will want to take to ...

An equation of the form \(y = mx + c\) where \(m\) and \(c\) are numbers, gives a straight line when values of \(x\) and corresponding values of \(y\) are plotted on a grid. A straight line is a ...