Revise working with the graphs of trigonometric functions for your National 5 maths exam with Bitesize Scotland interactive practice quizzes covering feedback and common errors.

Learn about function notation, how to find an inverse function by changing the subject, and how to work with composite functions.

The exercise book, which had lain forgotten at the back of a drawer for nearly 50 years, is packed with algebra and trigonometry problems that were once the lot of everyone studying O-level maths.