Edexcel Mathematics Specimen paper · Paper 2 · Question 12 · ExamRizz

ExamRizzEdexcel MathematicsMathematics

Specimen paper · Paper 2 · Question 12 · 7 marks

12. A curve C is given by the equation π π sin x + cos y = 0.5 2 −  x < 3 , 2 –π < y < π A point P lies on C. The tangent to C at the point P is parallel to the x-axis. Find the exact coordinates of all possible points P, justifying your answer. (Solutions based entirely on graphical or numerical methods are not acceptable.)

Lesson: Introduction to Differentiation and First Principles (Polynomials)