Which rectangular equation is equivalent to the polar equation r cos theta = -2

Question

asked May 11, 2020 232k views

2 Answers

Zhambulable · Answer 1 · 2020-05-14T14:53:37+0000

Answer:

The rectangular equation is equivalent to the polar equation r cos theta = -2 is: x=-2

Explanation:

r cosФ=-2

cosФ=x/r, replacing this in the equation above:

r (x/r)=-2

Simplifying:

x=-2