Question

Which of the following pairs of coordinates do not represent the same point in polar coordinates? Check all th?
A. (r,theta) and (-r,theta +2pi )
B. (r,theta) and (-r,-theta)
C. (r,) and (-r,theta + pi)
D. (r,) and (-r, theta + 2pi )

Answer 1

A

whats the angle for C and D

Answer 2

they are both theta

Answer 3

ok its A,B,D

i believe C is only one where coordinates are equivalent