ECZ 2025 · GCE Paper 1 — Trigonometry

In the diagram, AB = 8 cm, AD = 10 cm, DC = 12 cm and angle ABC = 90°. Find the value of tan ACB.

Verified working — step 1

In right-angled triangle ABD:

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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