Edexcel Mathematics June 2018 · Paper 2 · Question 7 · ExamRizz

ExamRizzEdexcel MathematicsMathematics

June 2018 · Paper 2 · Question 7 · 9 marks

7. (i) Solve, for 0  x < 2π, the equation 4 sin x = sec x (4) (ii) Solve, for 0  θ < 360° , the equation 5 sin θ − 5 cos θ = 2 giving your answers to one decimal place. (Solutions based entir ely on graphical or numerical methods are not acceptable .) (5) 17 18 19

Lesson: Definitions of Sine, Cosine and Tangent and Exact Values