Solve the equation 2cos2x=122\cos^2 x = \frac{1}{2}2cos2x=21 for 0∘≤x≤360∘0^\circ \le x \le 360^\circ0∘≤x≤360∘.
Practise Edexcel A Level Maths 5.4 Solving Trigonometric Equations with exam-style questions for A Level Maths. 5 questions, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.