0580/33 May/Jun 2025, Question 24: Choosing the Right Trigonometric Ratio
Cambridge IGCSE Mathematics 0580 · Paper 33 (Core) · Calculator · 2 marks
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The question, in short
A right-angled triangle has a vertical side 18.4 cm, a horizontal side y cm and a 52° angle at the top; calculate y.
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Solution · 2 marks
- 1tan 52° = y/18.4
- 2y = 18.4 × tan 52°
- 3y = 23.55… ≈ 23.6
Answer23.6 or 23.55…
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