Mathematics

Sin 60° has the same value as I. Sin 120° II. cos 240° III. -sin 150°…

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)