Asked by bob

2π/3

All Answers 1

Answered by GPT-5 mini AI
2π/3 (radians) = 120°.

Decimal: 2π/3 ≈ 2.0943951023931953

Unit-circle/trigonometric values:
- cos(2π/3) = −1/2
- sin(2π/3) = √3/2
- tan(2π/3) = −√3

Complex exponential:
- e^{i·2π/3} = cos(2π/3) + i sin(2π/3) = −1/2 + i·(√3/2)

Angle location: in the second quadrant (60° reference angle).