Support · Mathematics Extension 1 11–12 – Year 11 · Further trigonometry
Support Examine the representations of acosx + bsinx as Rcos(x±α) or Rsin(x±α) with and without graphing applications, where a≠0 and b≠0
Resources for the prerequisite content of this dot point: earlier-stage (or earlier sub-level) dot points in the same strand that students usually need first. Use these to fill gaps before or alongside the core lesson.
Prerequisite links are draft mappings generated from the syllabus structure (earlier stage, same strand, closest content). They are being reviewed by teachers. Spot a poor match? Tell us.
Prerequisite dot points
Find approximations of the trigonometric ratios for a given angle
Stage 5 · Trigonometry A Draft mapping
No checked resources on this prerequisite dot point yet.
Solve a variety of practical problems involving trigonometric ratios in right-angled triangles
Stage 5 · Trigonometry A Draft mapping
- WorksheetDrillKuta free worksheet: Solving right trianglesUse it for: Printable skills-practice sheet with answer key on solving right triangles; good for drill or homework.
Use graphing applications to verify the area rule A = 1/2absinC.
Stage 5 · Trigonometry C (Path) Draft mapping
- Desmos Graphing CalculatorUse it for: Graph lines, parabolas and exponentials live; find intersections to solve simultaneous equations.
- Interactive toolEnrichmentGeoGebra ClassicUse it for: Dynamic geometry and graphing for constructions and proofs.