Mathematics WAEC / WASSCE 1992 Trigonometry, Elevation & Bearings
The value of sin 210^\circ is
A
\(-\frac{1}{2}\)
B
\(-\frac{\sqrt{3}}{2}\)
C
\(\frac{1}{2}\)
D
\(\frac{\sqrt{2}}{2}\)
E
\(\frac{\sqrt{3}}{2}\)
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