The Equations Relating Cartesian and Spherical Coordinates Include Select All $y = r \cos \phi \cos \theta$

Multiple Choice

The equations relating Cartesian and spherical coordinates include Select all that apply.

A) $y = r \cos \phi \cos \theta$
B) $x = r \cos \phi \sin \theta$
C) $r ^ { 2 } = x ^ { 2 } + y ^ { 2 } + z ^ { 2 }$
D) $z = r \cos \theta$
E) $\tan \phi = y / x$