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tmua.fyi Paper 1 Challenge 2 · Q4

Paper 1Trigonometry

How many solutions does sin⁡3x=cos⁡2x\sin3x=\cos2x have for 0≤x≤2π0\le x\le2\pi?

A44
B55
C66
D77
E88
F99
G1010
H1212

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