C 335 ] 
the fecond Term will come out = */— * 
fL -j- 5 - v-2 
V 
4 %) 
x ^ 2 + 
2V-7, 
481/* 
x a 3 that of the 
third =7=2 x ^ + * a * &c- &c- &c. 
Whence, by colle&ing thefe feveral Fluents to* 
gether, we have "7 7 = X 
v 
*+** + ^ 
for the Fluent of the whole Ex preffion : And this, 
drawn into ix-i a - — ~ y c . ( = i Xl — |i) will be 
=7=xi * tzJ Ei x 11+ - V -V x - / r , 
v 20/ 4 g *u ' 72 0) J err. 
p 
72 
=-^=xi * ”-'-”+ 2 x-4-, + j - : - »+*i* x .4=,^ 
•/ s-J-j »+3l 18 *+il 
which, „ in Degrees, gives ~ x 
V ^ 3 
I * +”- ! "±3 X 4--,+’- 1 ”+?‘x4=i3 <$r. for 
24 »+3i 18 «-FJ 3 ^ 4 * AUJ * 
the true Meafure of the Angle required. 
Xx 2 
XIII. 
