Find an Equation in Rectangular Coordinates for the Equation Given $\rho = - 7 \csc \phi \sec \theta$

Multiple Choice

Find an equation in rectangular coordinates for the equation given in spherical coordinates. $\rho = - 7 \csc \phi \sec \theta$

A) $y = - 7$
B) $x = - \frac { 1 } { 7 }$
C) $x = - 7$
D) $z = - 7$
E) $y = - \frac { 1 } { 7 }$