Grade 11 Maths · Trigonometry · Paper 2

Sine Rule Grade 11

Real Sine Rule past paper questions and answers from 2024 to 2025, with each memo split into the ticks examiners give. Try one, mark yourself, and see exactly which skill cost you marks.

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Question 6.2 · November 2025 · Paper 2 · Provincial · 3 marks

A man standing on a horizontal plane at point O observes two helicopters positioned at points P and Q. The lines of sight from point O to each helicopter form angles of elevation

θ

and

β

with the horizontal plane. Additionally, a second man located in the helicopter at point P observes the helicopter at point Q, and his line of sight forms an angle of elevation

α

with the horizontal plane at P, measured along line PQ.

ON

⊥

NR and OP

= x

. $Diagram for this question$

6.2 Show that

OQ = \frac{x . s i n ( α + θ )}{s i n ( β + α )}

(3)

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Sine Rule skills

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Use the sine ruleUse the sine rule a/sin A = b/sin B to find a side or angle when you know a side and the angle opposite it.9 past paper questions · 3 videos

Sine Rule Grade 11 videos

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Sine Rule grade 11: IntroductionKevinmathscience

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