What you need to know
Check yourself against these “I can” statements.
- I can use the sine rule and the cosine rule to find missing sides and angles
Practise this topic
4 resourcesSine Rule, Cosine Rule and Area
Area = ½ab sin C, the cosine rule (a side or an angle), the sine rule, two-step problems (the angle not opposite a known side, or the side next to the angle), deciding whether it is the ambiguous case and why (including no…
⚙️ WorksheetTrig & Bounds
Upper and lower bounds with sin, cos, tan and the sine/cosine rules. Eight difficulty levels, timed, click to reveal.
⬢ BlockbustersSine Rule, Cosine Rule and Area Blockbusters
Blockbusters with the questions from the Sine Rule, Cosine Rule and Area worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the computer with…
⬢ BlockbustersTrig & Bounds Blockbusters
Blockbusters with the questions from the Trig & Bounds worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the computer with multiple choice.
These are the pages for The sine rule and the cosine rule in the GCSE + AQA Level 2 Further Maths scheme of work, following Pearson Edexcel GCSE (9–1) Higher (1MA1), plus AQA Level 2 Further Mathematics (8365). Open this topic in Mr Wells Maths to see it alongside the rest of the course.