the Semi-axis Major of the Moon's Orbit. 343 



Oar) = 



- ~ = CAcos (tnt +jmnt + l'n 

 an d e 



D A 



-\ -- cos (i 1 n t int -f / m n t j mnt+ V nt Int) 

 



D A 



+ - - cos (i 1 n t + i n t +j' m n t +jmnt + l'nt + lnt). 



Let f\ = B sin (t" nt +fmnt + I" n t) 



_ C B sin (Put +j"mnt + l"nt) 

 an \d>/ 



rj D 



H -- sin (i" nt int+j"m nt jmnt + l"nt Int) 



2 



/} 7? 



+ - sin (i"nt + *'n* +fmnt+jmnt + l"nt + lnt). 



_ 



J9^ cos (i" ntint +j" mntjmnt + l"ntln t) 

 2 (j// _ i -(ly/ m ^j m _(. //' _ / n 



DB cos (t x/ nt-}- int +j" m n t +j m n t 4- i" n < + < n f) 

 ~" 



sin (i' n t +f mnt + l'nt) 

 ' 



D A sin(i'nt int +j'm n t j m n t + I' n t In <) 

 ~~2~ (i' i +j'm j m -\- I' l)n 



DA sin (i'_n + i n t +fmnt + j mnt + ?nt + lnt) 

 2 ' + +/ 



= -i'Asm(i'nt +j'mnt + Vnt) 



