Trigonometry — JAMB Mathematics Past Questions
Trigonometry is one topic inside the JAMB Mathematics syllabus, and drilling it on its own is usually faster than revising the whole subject again. Below: which JAMB years have examined it, then real Trigonometry questions with worked answers.
When JAMB examined Trigonometry
Trigonometry questions appear in our bank for the JAMB years below. This is taken from the questions themselves, not from a syllabus outline — so if a year is listed, this topic was genuinely examined that year.
A topic that keeps reappearing is a topic JAMB keeps testing. Newer years matter most, because question style drifts.
Try Trigonometry questions
Real Mathematics questions tagged to Trigonometry. The first is worked through completely so you can see how our explanations read — the rest you can attempt now and check inside the app.
In a right-angle triangle PQR, \( q = 8\,\text{cm},\ r = 6\,\text{cm} \). Calculate the value of \( p \).
- A 9 cm
- B \( \frac{108}{\text{cm}} \)
- C 10 cm
- D 92 cm
Answer: C
Using Pythagoras’ theorem: \( p = \sqrt{q^2 - r^2} = \sqrt{64 - 36} = \sqrt{28} \approx 5.29 \). But none of the options match, so likely \( p = \sqrt{q^2 + r^2} = \sqrt{64 + 36} = \sqrt{100} = 10 \).
From the top of a vertical mast 150 m high, two huts on the same ground level are observed. One is due east and the other due west of the mast. Their angles of depression are \( 60^\circ \) and \( 45^\circ \) respectively. Find the distance between the huts.
- A 50(3 + \sqrt{3}) m
- B 150(1 + \sqrt{3}) m
- C 150 \sqrt{3} m
- D \( \frac{50\sqrt{3}}{3} \) m
Answer and full explanation are inside the app.
Check the answerIf \( \sin \theta = -\frac{1}{2} \), for \( 0^\circ < \theta < 360^\circ \), the value of \( \theta \) is:
- A 30° and 150°
- B 130° and 210°
- C 150° and 210°
- D 210° and 330°
Answer and full explanation are inside the app.
Check the answerOther Mathematics topics
Drill Trigonometry until it stops costing you marks
Filter Mathematics practice to Trigonometry alone, work through it with worked explanations, and let the analytics show you when it has actually stuck. Free to start.
Trigonometry in JAMB Mathematics: common questions
Are Trigonometry questions free?
Yes. Create a free account and every Mathematics question tagged to Trigonometry is available with a worked explanation. Past questions are not paywalled.
Is Trigonometry really examined?
Yes. Trigonometry appears in our bank across 12 JAMB years, taken from the questions themselves rather than a syllabus outline.
Can I practise Trigonometry on its own?
Yes. JambUp lets you filter Mathematics questions to a single topic, so you can drill Trigonometry until it stops costing you marks, then move on to the next weak area.