Trigonometry - Jamb Mathematics Past Questions and Answers

Question 1:

• JAMB 2019

The angle of elevation of the top of a tree from a point on the ground 60m away from the foot of the tree is 78°. Find the height of the tree correct to the nearest whole number.

A. 148m
B. 382m
C. 282m
D. 248m

Question 2:

• JAMB 2019

Given \(\sin 58° = \cos p°\), find p.

A. 48°
B. 58°
C. 32°
D. 52°

Question 3:

• JAMB 2019

If \(4\sin^2 x - 3 = 0\), find the value of x, when 0° \(\leq\) x \(\leq\) 90°

A. 90°
B. 45°
C. 60°
D. 30°

Question 4:

• JAMB 2019

If \(4\sin^2 x - 3 = 0\), find the value of x, when 0° \(\leq\) x \(\leq\) 90°

A. 90°
B. 45°
C. 60°
D. 30°

Question 5:

• JAMB 2019

Points X and Y are 20km North and 9km East of point O, respectively. What is the bearing of Y from X? Correct to the nearest degree.

A. 24°
B. 56°
C. 127°
D. 156°