^ = arc tan 



y i3^(U'^)^ tancp - cot2<p 



~s^^- 



(10) 



Equation 7 together with Equations 8, 9, and 10 was evaluated by use of a 

 computer program as given in Appendix C, in which |^ax ^°^ determined as a 

 function of co' for various ranges of /3 and |Ll. 



61 



