55 



a -\-h-\- c A- d 



2 -'' 



[ab] + [ac] + [ad] -^ [hc] + [bd] -\-[(xl] = k, 



a [«^]H-[^^]-f- [f'<'^] 



h_ _ [ah] H- [hc] + hd] 

 s ^ k 



^_ [ac] -{- [hc] + [cd] 

 s — k 



d^ _ [ad]J^[hd[-\-[cd] 

 s ~ ' h 



s—a _ [hc ]-^[hd]^[cd] 

 s ~ k 



s—b _ [ac]-\-[ad]-^[ cd] 

 s ~~ k 



s—c _ [ab]-^[ad]-^[bd] 

 s ~ k 



s—d _ [ab]-^[ac]-\-[hc] 

 s ~ k ' 



^ _ [ac] Jr [ad] + [be] -{.[ bd] _ [ab] + [cd ] 



s ~ k ~ k ' 



f_ _ [«5] + H4-M4-M] _ 1 _ W+M 



s ~ k ~ Ä: ' 



r(.) =. ± J0.S2898-1 \ ]/[^^^^(^--[^^^])+[^^^](^-[^-^])+[^-^^](J:=d^^]) .., 



.(.) == ± 10.S2S9S-U ]/bL^Il^-[--^])+[-^] (^-ND., , 



.(/) = ± ^0.82898-1^ ]/M (^-M)+ [H (^^M)., , 



tan^ ^ - l/(N + M)(W + [^^) 

 idng ^ —V ^^^ (^— [c^J) 



Kontroll: rrJ + S^f + c^VZ-j-rra = 360^ 



