ECZ 2021 · O-Level Paper 1 — Trigonometry

In the diagram below, AB = 3cm, BC = 4cm, AD = 13cm and ABC = ACD = 90°. Calculate the value of tan DAC.

Diagram for ECZ 2021 · O-Level Paper 1
  • A. 34
  • B. 125
  • C. 512
  • D. 43

Verified working — step 1

In triangle ABC:

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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