550 Sopra LA FORZA 



dz, 



X. z 



z, \ r dz. X ,1 



n= h - / — = ; 4- - 'ire. tang 



2(1 +2:'-) 27 I 4-21' 2(1+2.0 2 



/zj'dz, 

 — col no- 

 ( I +2: ) 

 /t^dt 

 ( a -f ht'" yi 

 — ff-»'+- (0 — w+i) r tP-"'dt 



_ \-^'^ ^~-rì r \ — otten- 



m{q^i)b{a^br)'i-' ^ (q — i)mbj (a + bty-' 



/z/dz — z, i_ W" ^^ „ 

 (i+^'r " 2 ( I + ■^n 'J M^ "" 

 z. I (C+^)2: 



— — [-- are. tan!^. z. Dunque rifulta^=-; 



2(I+Z,0~2 "^ ^ A(i+2:^) 



+ —^ X are. tang. 2: + ~^-^ + ^ X are. tang. z. ^- coft. 

 A ° A(i+z,'_) ' A 



f + A«, A -^ "^ V /-Aa 



= - V' (^ -:- Ar; X /- A«) ^ X are. tang. V y::^^ • ^oft- 



— i,//',?-!-/, — ;c — (AX<24-^ — -V — C)=) ,_ 



A ^ " ' 



4- — — "^ — V ire tan'-'. \/ -— — '^ — -h coir.. 



4- ^ Xaic.tan^. V^_^^^^^__^,^ 1- 



_Ì^(<^4_^,-_(AXH=^^ — C)0 , 



A ~ — - X are. tang. 1/ ^^—, ; ; 



