Solve, for −180∘≤θ<180∘-180^\circ \leq \theta < 180^\circ−180∘≤θ<180∘,
Solve, for 0≤x<360∘0 \leq x < 360^\circ0≤x<360∘,
10 exam-style questions on Edexcel A Level Old Maths Trigonometry. Each one has a worked solution and a mark scheme showing where the marks go.