Waec Mathematics 1992 Past Questions and Answers

Question 31:

• WAEC 1992

If cos θ = 5/13, what is the value of tan \(\theta\) for 0 < θ < 90° ?

A. 13
B. 5
C. 13/5
D. 12/5
E. 5/12

Question 32:

• WAEC 1992

The value of tan 315°

A. 1
B. √2/2
C. O
D. -1
E. -√2/2

Question 33:

• WAEC 1992

The value of sin 210° is

A. \(-\frac{1}{2}\)
B. \(-\frac{\sqrt{3}}{2}\)
C. \(\frac{1}{2}\)
D. \(\frac{\sqrt{2}}{2}\)
E. \(\frac{\sqrt{3}}{2}\)

Question 34:

• WAEC 1992

Town P is on bearing 315^o from town Q while town R is south of town P and west of town Q. lf town R is 60km away from Q, how far is R from P?

A. 30km
B. 42km
C. 45km
D. 60km
E. 120km

Question 35:

• WAEC 1992

A ladder leans against a vertical wall at an angle
60° to the wall, if the foot of the ladder is 5 metres
away from the wall, calculate the length of the
ladder.

A. 5√3m/3
B. 5m
C. 10√3m/3
D. 5√3m
E. 10m