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Nabla Tuition TMUA Paper 1 · Q11

Paper 1Trigonometry

How many solutions are there to

2sin⁡2(2x)−3sin⁡(2x)+1=02\sin^2(2x)-3\sin(2x)+1=0

in the interval 0≤x≤2π0\le x\le2\pi?

A44
B55
C66
D77
E88

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