Trigonometry - Mathematics Jamb Past Questions and Answers

Question 91 :

• JAMB 2014

From the figure above, what is the value of p?

A. 135^o
B. 90^o
C. 60^o
D. 45^o

Question 92 :

• JAMB 2014

Find the value of x in the figure above

A. 20\(\sqrt{3}\)cm
B. 10\(\sqrt{3}\)cm
C. 5\(\sqrt{3}\)cm
D. 4\(\sqrt{3}\)cm

Question 93 :

• JAMB 2015

If x + y = 90 simplify (sinx + siny)2−2sinxsiny

A. 1
B. O
C. 2
D. -1

Question 94 :

• JAMB 2020

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. \(\frac{8}{17}\)
C. \(\frac{8}{15}\)
D. \(\frac{12}{17}\)

Question 95 :

• JAMB 2020

A school boy lying on the ground 30m away from the foot of a water tank towel observes that the angle of elevation of the top of the tank is 60\(^o\). Calculate the height of the tank.

A. 60\(\sqrt{3m}\)
B. 30\(\sqrt{3m}\)
C. 20\(\sqrt{3m}\)
D. 10\(\sqrt{3m}\)