1997 - JAMB Mathematics Past Questions and Answers - page 5

(\frac{5}{\sin 36^o} = \frac{2}{\sin \theta} = \frac{5}{\frac{1}{2}} = \frac{2}{\sin \theta})

10 = (\frac{2}{\sin \theta})

sin(\theta) = (\frac{2}{10})

= (\frac{1}{5})

3 + 5 + 8 + 1 + 2 = 19