Find an Equivalent Equation in Polar Coordinates $$x = 6$$ A) $r = 6 \cos \theta$

Multiple Choice

Find an equivalent equation in polar coordinates.
- $$x = 6$$

A) $r = 6 \cos \theta$
B) $r = 6 \sec \theta$
C) $r = 6 \sin \theta$
D) $r = 6 \csc \theta$