Mathematics Past Questions

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1001

In \(sin(X+30)^o=cos40^o\),find X

A. 10^o
B. 20^o
C. 50^o
D. 60^o
E. 90^o

View Answer & Discuss (2) WAEC 1998

1002

Find the value of X if \(cos x = \frac{5}{8}\) for \(0^o\le X\le 180^o\)

A. 141.3^o
B. 128.7^o
C. 51.3^o
D. 48.7^o
E. 38.7^o

View Answer & Discuss (2) WAEC 1998

1003

A ladder 5cm long long rest against a wall such that its foot makes an angle 30o with the horizontal. How far is the foot of the ladder from the wall?

A. \(\frac{5\sqrt{2}}{3}m\)
B. \(2\frac{1}{2}m\)
C. \(\frac{5\sqrt{3}}{2}m\)
D. \(\frac{10\sqrt{3}}{3}m\)
E. \(10\sqrt{3}m\)

View Answer & Discuss (7) WAEC 1998

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1004

A chord of circle of radius 26cm is 10cm from the center of the circle. calculate the length of the chord

A. 16cm
B. 27.86cm
C. 32cm
D. 48cm
E. 55.72cm

View Answer & Discuss (5) WAEC 1998

1005

Two chords PQ and RS of a circle intersected at right angles at a point inside the circle. If ∠QPR = 35^o,find ∠PQS

A. 35^o
B. 45^o
C. 55^o
D. 70^o
E. 90^o

View Answer & Discuss (2) WAEC 1998

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