Multiple Choice Question (MCQ)
Find the exact value for sin(570°)
-
×
\dfrac{1}{2}
-
✓
-\dfrac{1}{2}
-
×
\dfrac{\sqrt{3} }{2}
-
×
-\dfrac{\sqrt{3} }{2}
Answer
-
\sin(570°) = \sin(360°+210°)= \sin 210° = \sin(180°+30°) = -\dfrac{1}{2}
Therefore,
B is the correct choice