The Letters X and Y Represent Rectangular Coordinates $$x = - 3$$

Multiple Choice

The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, θ) .
- $$x = - 3$$

A) $r \cos \theta = - 3$
B) $\mathbf { r } \cos \theta = 3$
C) $r \sin \theta = - 3$
D) $r \sin \theta = 3$