What you need to know
Check yourself against these “I can” statements.
- I can prove and use the addition formulae for sin, cos and tan
- I can use the double-angle formulae
- I can solve trig equations using addition and double-angle formulae
- I can write a cos θ + b sin θ as a single sine or cosine
- I can prove trig identities using a mix of results
- I can use trig functions to model real-life situations
Practise this topic
2 resources🧮 Tool
Formula Sheet
Make a printable formula sheet: tick the shapes you want (2D area, perimeter and arc length, volume, surface area, and sector, arc and segment in radians), the eight circle theorems with diagrams, the GCSE formulae sheet…
🧮 ToolVisual Proofs
Animated visual proofs of Pythagoras’ theorem, of the sums of integers, odd numbers, squares and cubes, and of key results in algebra, geometric series, trigonometry and inequalities. They play like Shape Formulas: drag the bar…
These are the pages for Trigonometry and modelling in the A Level Maths scheme of work, following Pearson Edexcel A Level Mathematics (9MA0). Open this topic in Mr Wells Maths to see it alongside the rest of the course.