( 71 x log (Cos—) Sin X dx 
C ^ — — • 
,, , a = ~ [log (l+f)] 
1 - 2 r Cos* +r i 2 2r 
5- *7- 
Consideremus jam casum, quo sit 
, — rT*"T 
/ , * m ,« 
<£\a> 0 , etcj a , £> . etc. 
ö r: i = etc. s + i, a = l3 = etc. :zz — i. - 
His scilicet positis fiet 
»j+K-f-etc. A# »i ;;z7r-»;A^-Hn7r-«uA;-f-etc. 
M-s (Sin — ) (Sin — ) etc. Cos 
3 2 2 
»72—J— w-4 -etc. Ax w fxx n # m7r-mAx-f-w7r-wu5c4- etc. 
N—~ 2 _ (Sin — ) (Sin — ) etc. Sin 
2 X 2 2 
ideoque ob formulas (gj et (h) 
77 J. A x wz ' fix n ni7(- wzAx -+-«7r -7z//x-f- etc. 
/-* /> ✓ V.V f/Jr lb 
[ (Sin — ) (Sin — ) etc. Cos 
./ _ 2 2 
ix 
i - 2 r Cosx + r 
A /X 
TT i - r «2 i - r « 
( ) . ( ) . etc. 
i - r 
7 7 _ AX 772 [XXII . M27r-W/AX-f*TZ7r-tt|UX-4-etC. 
/ i /> _ I« f b 
(Sin — ) (Sin — ) etc. Sin 
2 2 
Sin* dx\ 
1 - 2 r Cosx 
A « 
7T 1-7' 772 1 - 7' 72 
(- ) ( ) , etc. 4- 
ir 2 2 
1 4 -W + 8 + etc. 
r . 2 
