Trigonometry - Jamb Mathematics Past Questions and Answers

Question 66:

• JAMB 2001

The bearings of P and Q from a common point N are 020° and 300° respectively. If P and Q are also equidistant from N, find the bearing of P from Q.

A. 040°
B. 070°
C. 280°
D. 320°

Question 67:

• JAMB 2002

If tan θ = 4/3, calculate sin\(^2\) θ - cos\(^2\) θ.

A. 16/25
B. 24/25
C. 7/25
D. 9/25

Question 68:

• JAMB 2002

A hunter 1.6 m tall, views a bird on top of a tree at an angle of 45°. if the distance between the hunter and the tree is 10.4 m, find the height of the tree.

A. 9.0 m
B. 12. 0 m
C. 8.8 m
D. 10.4 m

Question 69:

• JAMB 2002

In the diagram above , XZ is the diameter of the circle XZW, with center O and radius 15/2 cm. If XY = 12 cm, find the area of the triangle XYZ

A. 54 cm²
B. 45 cm²
C. 27 cm²
D. 75 cm²

Question 70:

• JAMB 2002

The triangle PQR above is

A. An obtuse-angled triangle
B. A scalene triangle
C. An isosceles triangle
D. An equilateral triangle