— 4 2 9 ** 

 -f- 1 sin (op-{~ t) — | sin (2 p-\- t) == ©, 



_f-|-^COS 2p-h|cOS2t-h^COs(2/9 — 2t) ~ £, 



-f-^| sin2p — ^sin (2/) — 2t) =z^, 



4- | cos 2p — 3X0 -+-6XD 2 — |XC 2 — B, 



-f-§ COSt — ^-COS (2/3 1) -4- |COS (2/D-f-t) ~ G, 



4- 1 4- T cos 2 P H~ I cos 2 f — t cos ( 2 P — 2t)z=. H. 



Deinde in aequationibus I, II, (§. 9.) substitutis valoribus (§. 7.) 

 x30 + kU4- k s S3, y=:0 + itU+K 2 V, iisque tantum- 

 modo terminis asservatis, qui »" continent , sequentes aequatio- 

 nes, divisione per jc 2 instituta nanciscemur : 



II. o— .53«-hBV-t-!^ir-f- 2 euU-|S)U 2 -f-©U-+-GU-i?(i-K£))-HO; 

 e quibus ope cognitarum A, 0, O, U, U, 2(, 33, etc B, etc. bi- 

 nae incognitae 25, V, determinandae sunt : quem in finem quan- 

 titates datas numeris absolutis exprimere jam oportet. 



§. li. Ab Eulero jam computatae fuerunt quantitates 

 sequentes : 



A = 179,228928 (pag. 7 3),, 



ZZZ -f- O, 000024 — O, OO718 COS 2p -4- O, 000006 C0S 4? 



(pag. i3 9 ), 



O zz: -f- o, 0102117 sin ap -f- o, 0000057 sin 4p (ibid.), 



2( zz: -+- o,o264388 — 9,2212908 cos ap — o, io5o568 cos 4p 

 (pag. 140 conf. pag. 124), 



33 zz — 3, 9906964 sin zp — o , o8rgio4 sin 4p (ibid.), 



£ = + 537,6335924-Hi5,44258i6 cos sp+o, 2658681 cos 4p 

 (ibid.), 



£ = -1- 21,9627856 sin 2p -f- 0,4064872 sin 4p (ibid.),, 



