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Y and A Tutoring Paper 1 with Answers and Hints · Q6

Paper 1TrigonometryAlgebra

How many solutions does the equation cos⁡(πsin⁡x)=0\cos(\pi\sin x)=0 have in the interval 0≤x≤2π0\le x\le2\pi?

A22
B33
C44
D66
E88

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