Which of the following pairs of coordinates do not represent the same point in polar coordinates? Check all that apply

A. (r,theta) and (r, theta + 2pi)
B. (r,theta) and (-r,theta + pi)
C. (r,theta) and (-r, -theta)
D. (r,theta) and (-r, theta+ 2pi)

Question

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

anonymous · Answer

may be
 C. (r,theta) and (-r, -theta)
 D. (r,theta) and (-r, theta+ 2pi)

anonymous · Answer

OPT C

anonymous · Answer

AND I'M SURE ABOUT IT !!!!!! :D

anonymous · Answer

Could you provide an explanation?