[ 480 ] 
Royal, PhiL Tranf. 1 7 64, vol. LIV. and which taking in 
the corredlion here given cot. t x vf. ^ will ahvays be 
Cxa 61 : to a fecond. It is alfo of nfe to find the declination 
of a ftar, whofe longitude and latitude and obliquity of 
the ecliptic are known. 
SOLUTION III. 
Let the angle b he fmall, and the 
two legs AB, Bc, very unequal; then 
< the fide AC will be nearly ab-bc. Put 
this = A', and fuppofe AC=A:+f, then cof. 
AC-k - KZ-/^ X vf. ^-ad+ AD-KZ-/^ X vf. f-/^AD 
Whence z=::— ‘ - - x vf. 4= fin. ^ x fin. ex, x vf. / 5 x cofec* 
1C 1C 
^^;{-C0t*/(’x vf. 
EXAMPLE. 
Let ab=94° 36^ 58"' 
BC=23 28 24 
B==24 54 24 
AB^-BC^yi 
Sine AB 
Sine BC 
Verfed of 
8 34 
as in the example to fob 2. 
Gofecant 6.02396 
9.99859 
9.60023 
8.96851 
f nearly 2° 14' 1 1 fine 
8.59129 
o 
The 
