IN THE MOTIONS OF THE EARTH AND VENUS. 
99 
+t(t - a ) (-4 + 5a ) •- s -' s + 1 - c 
+ ( - -^ + «) -S' * + 1 • 5 + 2 . 
(ft) 
s + 2 
+ + 3 
- 105 .15/1 „ \ 
(4-0) C, = + lgC s +-a(--7«;*. 
,W 
+ +1 
+ + 2 
-j- 3 
+ 4 
+ {(!• + +)• G - '*) - 6 } •*•*+ * c 
+ 2 ( - -i- + «) . (-J- — 7 “) -S.s + 1 . s + 2 . c ( ' 
/ 1 \ 4 (ft) 
-J - ^ — ~ “j- • s • s + 1 • s -J - 2 . 5 + 3 . C 
(5 ,o ) cf = -^cf ) + f(-± + 9a ) i ,c 
+ T { “ Gr ~ 3a ) (it “ 7a ) + 4 } 5 • 5 + 1 • C 
+ t(t“ *){“ (^~ 3a ) (t“ 7 *) + 4 }*- ^+1-^+2. C 
+ + i 
's + 2 
(ft) 
s + 3 
+ "2 — a ) • ( + 9a) s ‘ -s+1- 5 + 2. 5 + 3. 
J s + 4 
+ ^ — ^- + a) .5.5 + l.s + 2. 5 + 3. 5 + 4 
+ + 5 
44. Using the same value of a as before, and making 5 = -^, these expres- 
sions become, 
(ft) i (ft) (ft) 
(1.0) C § = - -g C 4 — 0,3295790 . C, 
(ft) 3 (ft) (ft) (ft) 
(2.0) C f = + T C 4 - 0,3937533 . C + 0,3258670 . <+ 
(ft) 1 5 (ft) (ft) _(ft) (ft) 
(3.0) q = - g- C, + 2,5134426 . + 1,6567557 . - 0,5369945 . C, 
