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Subjects / LC Mathematics / Geometry and Trigonometry

The sine rule and cosine rule

Solve non-right-angled triangles with the sine rule and cosine rule, including the ambiguous case.

5th Year6th Year HigherOrdinary
Helps to know first: Pythagoras and right-angled trigonometry
16practice questions

Multiple choice: 4 · Numeric answer: 11 · Written answer (self/teacher assessed): 1

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Multiple choicePaper 2 – Geometry and Trigonometry
You know two sides of a triangle and the angle between them. Which rule should you use first to find the third side?
ABCcab
Choose one answer
Hint 1

The sine rule needs a side and its opposite angle.

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