130 



RELATIONS BETWEEN SEVERAL 



[BOOK I. 



whence, by formula 16, x = 0.0007480179 : wherefore, since \ is, by table III, 

 wholly insensible, the values found for h, y, x, do not need correction. Now, the 

 determination of the elements is as follows : 



logx 6.8739120 



log sin iy . 8.4369560, iy = l34 2&quot;.0286, i (/+#) = 3 27 45 / .4611, 



* (fff) == 19 41&quot;.4039. Wherefore, by the formulas 27, 28, 29, 30, is had 



log tan 2 o) . . . 7.6916214 n C. log cos 2 w . . . 0.0000052 



log cos i(/-j-^) . 9.9992065 logsinj(/+y) . . 8.7810188 



log cos ^(/y) . 9.9999929 log sin l(fg) . . 7.7579709 



log P sin l(FG) 7.6908279 n 

 8.7810240 



logQsml(F-\-G) 



7.6916143 n 

 7.7579761 



