The Relationships Between Cartesian and Spherical Coordinates Are Select All $r ^ { 2 } = x ^ { 2 } + y ^ { 2 }$

Multiple Choice

The relationships between Cartesian and spherical coordinates are Select all that apply.

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