More Lessons for A Level Maths
A collection of videos, activities and worksheets that are suitable for A Level Maths.
AQA Core 3, The Trigonometric Identities
Revise the two trig identities from Core 2 and introduce two more for Core 3 involving Cosec, Sec and Cot.
AQA Core 3 5.04 Proving Trigonometric Identities
This video works through two examples where two different methods for proving trigonometric identities are used.
Core 3 - Trigonometry - Compound Angles Addition Formulae Sin(A+B), Cos(A+B), Tan(A+B)
Core 3 - Trigonometry - Double and half angle identities
Try the free Mathway calculator and
problem solver below to practice various math topics. Try the given examples, or type in your own
problem and check your answer with the step-by-step explanations.
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