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The sine rule
Teacher resources
Teachers: log in to access the following:
- Slides in PPTX (with click-to-reveal answers)
- Slides in PDF (one slide per page, suitable for importing into IWB software)
- Worksheet (with space for student work)
- Handout (slides with exercises only; 4 per page for reduced printing)
- Skills drill worksheet (15 questions on one side of A4; answers included)
- Random Question Generator – mixed questions – finding a missing length OR a missing angle — so that students need to consider method selection for each question
Links to past exam questions
Teachers: log in to access these.
Unlimited practice questions
What next?
- G22b – The cosine rule
- G23a – Area of a triangle using sine
- Trigonometry assorted problems – requiring knowledge of G20a, G20b, G20c, G22a, G22b, and G23a
- G23b – Mixed problems using trigonometric formulas