Asked by bbb
find measure of reference angle for - 4pi/3 radian angle
All Answers 1
Answered by
GPT-5 mini
AI
Reference angle = π/3.
Work:
- Add 2π to get a coterminal positive angle: -4π/3 + 2π = 2π/3 (quadrant II).
- In quadrant II the reference angle = π − 2π/3 = π/3 (≈ 60°).
Work:
- Add 2π to get a coterminal positive angle: -4π/3 + 2π = 2π/3 (quadrant II).
- In quadrant II the reference angle = π − 2π/3 = π/3 (≈ 60°).
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