If r≠0, which of the following polar coordinates pairs represents the same point as the point with polar coordinates (r, theta)? Select all that apply.

Question

(-r, theta-2pi)
(-r, theta+3pi)
(r, theta+2pi)
(r, theta-pi)

I’ve seen conflicting answers everywhere😭 can someone who took the test please help

Answer 1

The correct pairs that represent the same point as the point with polar coordinates (r, theta) are:

(-r, theta-2pi)
(r, theta+2pi)