AQA Paper 2 2024 June — Question 6

Exam BoardAQA
ModulePaper 2 (Paper 2)
Year2024
SessionJune
TopicTrig Graphs & Exact Values

6 It is given that $$( 2 \sin \theta + 3 \cos \theta ) ^ { 2 } + ( 6 \sin \theta - \cos \theta ) ^ { 2 } = 30$$ and that \(\theta\) is obtuse. Find the exact value of \(\sin \theta\). Fully justify your answer.