Official papers

Official 2018 Paper 1 · Q6

Paper 1TrigonometryAlgebra

Find the number of solutions of the equation

xsin⁡2x=cos⁡2xx\sin2x=\cos2x

with 0≤x≤2π0\leq x\leq2\pi.

A00
B11
C22
D33
E44

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