Which polar coordinate pairs label the same point? a. (-2, /3) b. (2, -/3) c. (r, )

Which polar coordinate pairs label the same point?

a. (-2, π/3) 

b. (2, -π/3) 

c. (r, θ)

d. (r, θ + π) 

e. (-r, θ) 

f. (2, -2π/3)

g. (-r, θ + π) 

h. (-2, 2π/3)