The value of sin 210° is
index-0
\(-\frac{1}{2}\)
index-1
\(-\frac{\sqrt{3}}{2}\)
index-2
\(\frac{1}{2}\)
index-3
\(\frac{\sqrt{2}}{2}\)
Correct Answer:
A
sin 210 = - sin (210 - 180) = - sin 30
= \(-\frac{1}{2}\)