/ 
v, Xx in mXx - m* . 
(Sin — ) Cos (•— ) dx -A h 
2 2 _ » ) 
h- X 2 2 h 2 
m 
/ 
» 
, c . ** ™ c * , W:A * " m7t s J 
ar(Sm — ) Sin ( ) dx 
2 2 
71 
h z J- x z 
-A/i 
- (— ) — , 
2 2 111 -p 1 
2 
quæ d use formulae speciales ex iis etiam fluunt, quas in para- 
grapho quarta ante dedimus. Differentientur jam formulae (9) 
et (10) respectu ipsius », et fiat post diflerentiationem « -= 0 ; 
obtinebitur adeo 
/ 
rn „ A xm mXx- 1117p 
(Sin — ) Cos ( -|- (ax) dx -A h m 
2 2 7T -uh l-e 
- — XX — e 1 ( ) 
h 2 _p x z 2/1 2 
f 
co 
. Xxm ^ mhx-mTT . . 
X (Sin — ) (Sin p ^.vr) -A/i 
2 2 Tt -uh i-e in 
— — e r ( ) ; 
Å 2 -[- 2 2 
pro quibus tamen observandum est hanc non valere posito \jl =0: 
tum enim ad formulas proxime antecedentes recurrendum est, 
quæ veros integralium valores hoc casu exhibent. Porro mute- 
tur simplicitatis causa in ultimis his formulis A in 2À; fiet adeo 
s 
CO /O* 
f» 
tVTT 
(Sin Xx) Cos (»jA-Pju x ) dx -2X h 
2 7 T - uh t-e 
=-«' ( ) 
h z — J— X z 2Å 2 
