P.2-14 Express the heta -component, E_( heta ), of a vector E
a) in terms of E_(x),E_(y), and E_(z) in Cartesian coordinates, and
b) in terms of E_(r) and E_(z) in cylindrical coordinates.
Express the 0-component.Eof a vector E
a in terms of ExEy,and E.in Cartesian coordinates,and b in terms of E.and E-in cylindrical coordinates