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Friday, 14 August 2026
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Mathematics Past Questions and Answers

Topic: Trigonometry

Jamb Mathematics Questions - Trigonometry

Question 6:
A man stands on a tree 150cm high and sees a boat at an angle of depression of Find the distance of the boat from the base of the tree.
  • A 52cm
  • B 43cm
  • C 40cm
  • D 15cm
View Answer & Explanation
Question 7:
A room is 12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room
  • A \(\frac{15}{17}\)
  • B \(\frac{9}{17}\)
  • C \(\frac{8}{15}\)
  • D \(\frac{12}{17}\)
View Answer & Explanation
Question 8:
A man's initial salary is N540.00 a month and increases after each period of six months by N36.00 a month. Find his salary in the eight month of the third year.
  • A N828.00
  • B N756.00
  • C N720.00
  • D N684.00
View Answer & Explanation
Question 9:
If y = x Sin x, find \(\frac{dy}{dx}\) when x = \(\frac{\pi}{2}\)
  • A \(\frac{- \pi}{2}\)
  • B -1
  • C 1
  • D \(\frac{ \pi}{2}\)
View Answer & Explanation
Question 10:
A room is 12m long, 9m wide and 8m high. Find the cosine of the angle which a diagonal of the room makes with the floor of the room.
  • A \(\frac{15}{17}\)
  • B \(\frac{9}{17}\)
  • C \(\frac{8}{15}\)
  • D \(\frac{12}{17}\)
View Answer & Explanation