Grade 11 Maths · Trigonometry · Paper 2

Cosine Rule Grade 11

Real Cosine Rule past paper questions and answers from 2024 to 2024, with each memo split into the ticks examiners give. Try one, mark yourself, and see exactly which skill cost you marks.

past paper questions: 1 past paper questions
skill: 1 skill
videos: 1 videos

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Question 7.1 · November 2024 · Paper 2 · Provincial · 2 marks

In the diagram below, circle ACD is given where AC is a diameter. DC is produced to B and AB = 8 units.

\hat{B} = 30°

and BC = 5 units. $Diagram for this question$

7.1 Prove that AC = 4,44 units (rounded off to TWO decimal places.)(2)

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Cosine Rule skills

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Use the cosine ruleUse the cosine rule a² = b² + c² − 2bc cos A to find a side or angle, given three sides, or two sides and the angle between them.4 past paper questions · 3 videos

Cosine Rule Grade 11 videos

Short lessons from South African teachers first. Videos load only when you tap play, to save your data.

Cos Rule grade 11: IntroductionKevinmathscience

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