ECZ 2024 · GCE Paper 1 — Trigonometry
In the diagram below, ABC is a straight line, AD = 5 cm, BD = 13 cm and angle BAD = 90°. Find tan DBC.

- A. 125
- B. -125
- C. 512
- D. -512
Verified working — step 1
In right-angled triangle ABD:The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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