Trigonometry - Jamb Mathematics Past Questions with Answers

Jamb Mathematics Past Questions

Questions and Answers on Trigonometry

Approximations
Logarithms
Significant Figures
Simple Interest
Angles Of Elevation
Angles Of Depression
Bearings

Question 71:

JAMB 2003

In the diagram above, PQ is parallel to RS. What is the value of α + β + γ?

A. 360^o
B. 200^o
C. 180^o
D. 90^o

View Answer & Explanation

Question 72:

JAMB 2004

The shadow of a pole 5√3m high is 5m. Find the angle of elevation of the sun.

A. 45^o
B. 75^o
C. 30^o
D. 60^o

View Answer & Explanation

Question 73:

JAMB 2005

If sin θ = -¹/₂ for 0 < θ < 360^o, the value of θ is

A. 30^o and 150^o
B. 150^o and 210^o
C. 210^o and 330^o
D. 150^o and 330^o

View Answer & Explanation

Question 74:

JAMB 2006

If tan θ = ⁵/₄, find sin²θ - cos²θ.

A. ⁵/₄
B. ⁴¹/₉
C. ⁹/₄₁
D. 1

View Answer & Explanation

Question 75:

JAMB 2006

In triangle XYZ, ∠ XYZ = 15^o, ∠ XZY = 45^o and lXYl = 7 cm. Find lYZl.

A. 14√2 cm
B. \(7\left(\frac{\sqrt{6}}{2}\right)\)
C. 7√2 cm
D. 7 cm

View Answer & Explanation

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Trigonometry - Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Questions and Answers on Trigonometry

Question 71:

Question 72:

Question 73:

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