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A-Level Maths: E7-44 Trig Equations: Solve 7sin^2(x) - 5sin(x) + cos^2(x) = 0 between 0 and 2π rad
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A-Level Maths: E7-44 Trig Equations: Solve 7sin^2(x) - 5sin(x) + cos^2(x) = 0 between 0 and 2π rad
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