Sin 60° has the same value as I. Sin 120° II. cos 240° III. -sin 150° IV. cos 210° V. sin 240°
- A.
I only - B.
II only - C.
IV only - D.
III only - E.
IV and V only
Correct Answer: Option A
Explanation
In the second quadrant, (sin 120 = sin (180 – 120))
= (sin 60)