The value of sin 210° is
-
\(-\frac{1}{2}\)
- \(-\frac{\sqrt{3}}{2}\)
- \(\frac{1}{2}\)
- \(\frac{\sqrt{2}}{2}\)
- \(\frac{\sqrt{3}}{2}\)
The correct answer is: A
Explanation
sin 210 = - sin (210 - 180) = - sin 30
= \(-\frac{1}{2}\)