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2025 IGCSE 0580 May/June P43 Q25
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2025 IGCSE 0580 May/June P43 Q25
5 marks
Sketch the graph of \(y=\sin x\) for \(0^\circ\le x\le360^\circ\).
[2]
Solve the equation \(2+5\sin x=1\) for \(0^\circ\le x\le360^\circ\).
[3]
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Answer:
(a) Sine curve shown. (b) \(191.5^\circ,348.5^\circ\).
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