Enrich · Stage 5 · Trigonometry C (Path)

Enrich Use graphing applications to verify the sine rule a/sin⁡A = b/sin⁡B = c/sin⁡C and that the ratios of a side to the sine of the opposite angle is a constant

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  NRICH: Sine Problem
  NRICH (University of Cambridge) · Web page · Free · Link checked 2026-10-15 · Low floor high ceiling, Teacher notes
  Use it for: Low-floor, high-ceiling NRICH task extending this dot point; use for extension or a problem-solving lesson.