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Beyond Horizon Set 3 Paper 1 · Q3

Paper 1TrigonometryFunctions & graphsAlgebra

How many values of xx satisfy the equation

3cos⁡2x+4sin⁡x=33\cos^2x+4\sin x=3

in the range 0≤x<2π0\le x<2\pi?

A00
B11
C22
D33
E44
F55

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