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.

GCSE Maths: exam-style questions Free interactive maths quizzes based on foundation and higher past papers to help you prepare for your GCSE exams, covering common errors in algebra, graphs.

As Prime Minister Rishi Sunak declares that Britain needs to scrap its 'anti-maths mindset' in order to get the economy thriving once more, the Mirror has set readers three tricky GCSE maths questions ...