Solve sin(2x)=12\displaystyle \sin(2x)=\frac12sin(2x)=21 for 0∘≤x<360∘0^\circ\leq x<360^\circ0∘≤x<360∘.
42 exam-style questions on CCEA A Level Maths 1.4.6 Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.