Paper 2 · Trigonometry
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Lesson 5 of 8
Trigonometry 1.5: Sine Rule
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- Label a triangle with capital angles and small sides — side a opposite angle A
- Use the sine rule a/sin A = b/sin B to find a missing side or angle
- Spot a sine-rule question: you're given a side AND its opposite angle
- Find the third angle by subtracting the other two from 180° when it has no known side
Most recent exam questions
- 2025 P2 Q8(a)(i) — deferred
- 2025 P2 Q8(c)(i)
- 2024 P2 Q3(c)
- 2024 P2 Q4(b)(ii) — deferred
- 2023 P2 Q7(b)
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