m ) o ( m 
3 g 8 
H- Z* , & « = I 4 “ ^ Cof. t , unde — =1— 2x Cof. f, 
a- 
& — ^ = I — 3 « Cof. f. Et cum praeterea fit ^=5 
— 2X Sin. rpf unde ip = 6 ) — ^-h 2 x Sin. t inveni- 
tur per methodos notas Sin. ip =: Sin. (oj — 2 ) -H' 
2 Sin. ^ Cof. ( £ü — ^), & Cof. ijyzz Cof. (ûü — — 
Sin. Ï . Sin. w — feu fi fit & longitudo Solis 
media e Terra vifi, erit Sin. — Sin. (w— 0 ) 
• — 2}{ Sin. t . Cof. w — '& Cof. Ü/ = — Cof. cu — 9 
4 * 2x Sin. t . Sin, w — 0 . Ponendo jam co — 9 = fry 
. qui invenitur dum a longitudine media Lunæ w 
fubducitur longitudo media Solis 9 , & cum ille fit 
tempori proportionalis poni poterit — — m , unde: 
dt 
du dp d 9 
ob d 9 =.dt erit — = F — — ^4^1, ubi m = 
dt dt dt 
12, 3699559 per obfervationes. Eliminando- itaque 
d d X 
du per hunc ejus valorem habebitur l:o 
2m-\-\dY ,2 yi Cof. "dy 
~ il.. X — 4- 
d t 
ju ( Il Cof, ip -h X) vX ddY 
: ^ — 0 ^ 2:0 . 
v'^ jp’ - dt^ 
4 * 
2 . w 4- I • dx 
d~ 
lÄ 
— ?/i 4- 1 i Y 4 - 
jtt Sin. \p 
U‘ 
ft ( a Sin. — Y) y Y 
^ 0. Ponendo ulterius p = 
u — 9 
