Which of the following polar coordinates represents the same location as (-6, 2π/3)?
I. (-6, 4π/3)
II. (-6, 11π/3)
III. (6, 11π/3)
IV. (6, -π/3)

• A. IV only
• B. III and IV
• C. I and II
• D. II only

Answer: (B)