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Beyond Horizon Set 1 Paper 1 · Q5

Paper 1TrigonometryAlgebra

How many solutions does this equation have in the interval 0≤x≤2π0\le x\le 2\pi?

sin⁡(cos⁡(sin⁡(x)))=cos⁡(sin⁡(cos⁡(x)))\sin(\cos(\sin(x)))=\cos(\sin(\cos(x)))
A00
B11
C22
D44
E88
F1616

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