What you need to know
Check yourself against these “I can” statements.
- I can use sin, cos and tan to find missing sides and angles in right-angled triangles
Practise this topic
6 resourcesRight-Angled Trigonometry: Mixed Problems
Sides and angles in right-angled triangles, with diagrams drawn to scale and worked solutions one triangle at a time: finding a side or an angle with and without a diagram, two steps, isosceles triangles and trapezia, elevation…
⚙️ WorksheetTrig: Finding Angles
SOH CAH TOA and the inverse, with diagrams drawn to scale: choose the ratio, two sides given, all sides given, Pythagoras then trig, isosceles triangles, trig twice (a side and an angle), then questions with no diagram. Seven…
⚙️ WorksheetTrig: Finding Sides
SOH CAH TOA with diagrams drawn to scale: choose the ratio, x on the top, x on the bottom, trig then Pythagoras, trig twice, isosceles triangles, then questions with no diagram. Seven levels, timed, click to reveal.
⬢ BlockbustersRight-Angled Trigonometry: Mixed Problems Blockbusters
Blockbusters with the questions from the Right-Angled Trigonometry: Mixed Problems worksheet: choose its levels for the ordinary hexagons and for the harder ★ ones. Show the answer and the worked solution, or play against the…
⬢ BlockbustersTrig: Finding Angles Blockbusters
Blockbusters with the questions from the Trig: Finding Angles 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…
⬢ BlockbustersTrig: Finding Sides Blockbusters
Blockbusters with the questions from the Trig: Finding Sides 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…
These are the pages for Sides and angles with sin, cos and tan 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.