Mathematics Past Questions

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1996

Two chords QR and NP of a circle intersect inside the circle at x. If RQP = 37o, RQN = 49o and QPN = 35o, find PRQ

A. 35^o
B. 37^o
C. 49^o
D. 59^o

View Answer & Discuss (6) JAMB 1987

1997

The sine, cosine and tangent of 210o are respectively

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

View Answer & Discuss JAMB 1987

1998

If tan \(\theta\) = \(\frac{m^2 - n^2}{2mn}\) find sec\(\theta\)

A. \(\frac{m^2 + n^2}{(m^2 - n^2)}\)
B. \(\frac{m^2 + n^2}{2mn}\)
C. \(\frac{mn}{2(m^2 + n^2)}\)
D. \(\frac{m^2n^2}{2(m^2 - n^2)}\)

View Answer & Discuss (3) JAMB 1987

1999

From two points x and y, 8m apart, and in line with a pole, the angles of elevation of the top of the pole are 30ºand 60º respectively. Find the height of the pole assuming that x, y, and the foot of the pole are on the same horizontal plane and x and y are on the same side of the pole.