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Navy banner reading "IGCSE Maths 0580/42: May/June 2025 Worked Solutions – bounds, compound interest, functions, trigonometry" with the teachn.io logoIGCSE11 min read0580/42 May/June 2025 Worked Solutions: IGCSE Maths Paper 4Step-by-step 0580/42 May/June 2025 worked solutions for six IGCSE Maths Paper 4 questions, covering bounds, compound interest, functions, trigonometry and 3D angles, with how the marks are given and common mistakes.19 Oct 2026

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