MYP 5Year 11Term 2–3
11.7 Non-right-angle Trigonometry
Sine rule · Cosine rule · Area of a triangle · Bearings · Problem-solving · [EXT] Ambiguous case of sine rule
Geometry
8 objectives
Learning objectives
What students should be able to do by the end of this unit.
Non-right-angle Trigonometry
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- Apply right-angled trigonometry and Pythagoras' theorem to multi-step problems, including 3D.
- Apply the sine rule to find missing sides and angles.
- Apply the cosine rule to find missing sides and angles.
- Apply the area-of-a-triangle formula $\tfrac{1}{2}ab\sin C$.
- Solve problems involving bearings.
- Combine right-angle and non-right-angle trigonometry in surveying / navigation contexts.
- Solve problems involving the ambiguous case of the sine rule.EXT
- Prove the sine rule and the cosine rule.ENR
Review pack
Curated revision materials parents and students can download.
A review pack for this unit is being prepared.