When Changing from Cartesian to Spherical Coordinates $\frac { \partial \phi } { \partial x } =$

question 13

Multiple Choice

When changing from Cartesian to spherical coordinates, $\frac { \partial \phi } { \partial x } =$

• A) \(- \sin \phi / ( r \sin \theta )\)
• B) \(\sin \phi / ( r \sin \theta )\)
• C) \(- \cos \phi / ( r \sin \theta )\)
• D) \(\cos \phi / ( r \cos \theta )\)
• E) \(\sin \phi / ( r \cos \theta )\)