2^2 
^ ) O ( 35 
5:0 Retentis valoribus jam affignatis fieri 
-3 Z"*//* ^ 3 vt^ 
S=f ~— (- Sin. 27} + 
^i—kk ^ 2n^3 
8 î 2 ?' 
(Sin. 3? 
+ rSin. 3??), nec non^<J) = 
— 7 =- (C- — l 
^ 1 — nn 
8c dy} = 
dr 
(C 
(i r I — ee 
uuf^i—kk' rinJ nw^*^i — kk 
Cum jam fit z — tUy erit dzz= t du udt, unde 
dz tâu udt 
dp “ 
dr 
I — AA. Quoniam vero eft 
I ^ . k dr „ Sin. r 
kttdr Sin. r dz 
^ (i — ACof. I — A® 
k u Sin. r 
; pofitoque dr conftanti, 
àii I — A A 
tdr 
— AA 
dz ddu ,^\ — AA dudt ,^\ — 'AA 
erit d , — = — ^ 
dp tdr dr 
k dll Sin, r kxidr Cof. r 
- dr 
y" I — kk 
1 
^i^kk 
\ unde ob dp = 
^i-AA 
ent 
dz i—kk,ddu kuQoLr 
d , — = j qui va- 
dp dp 
dr 
lor in aequatione ultima fubftitutus dabit 
I — ,ddu 
dr^ 
t^u 
, ^ n '^2 2 XS 
—Af Cofi r ~f** — -j— “f' — — |— 
71 * 7171 2 71 ^ 
— 7flt 
