Key term for AQA GCSE Mathematics, used in Mensuration and calculation.
The application of 2D trigonometric rules (like SOH CAH TOA or Pythagoras) to extract and solve planes and angles within 3D figures.
3D trigonometry appears in AQA GCSE Mathematics revision content for Geometry and measures, especially Mensuration and calculation and Pythagoras and Trigonometry.
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