242 



a termino xz=. 0. Pro altero jam integrationis terraino x z=. 00 erit 



m =: i^ 



unde fit 9Î = ^^;^p et 501 = j^r|:^' 



Supra autem (§. 4.) jam posueraraus 



aa + (3(3=:^, a=/cos7, (3=/sinY 

 quibus valoribus jam hic introductis erit ab a.' iz: ad x ZZZ 00 



3Î =: /dxe—<^« cos^x — ^ 



§. 8. His autem jam valoribus hoc modo inventis facile repe- 

 rientur sequentes ope relationum supra §. 6. traditarum ; 



çn\/ 2 sin7 cos 7 sin 27 



JJt jf -j^ 



m' — 



cos'y^ — sin7^ __ cos2Y 



■ If — ~7f~ 



§. 9. Quod si hoc modo uUerius progrediamur pro fortnuhs 

 ^V^ et 9Î^'' reperiemus 



«yj// 2 (sin 27 cos7 + cos2'y sin'V) 2 sin 37 



^ — J3 — -7^ 



nçy/ 2(cos27cos7 — sin 27 sin 7) 2cos3 7 



tum vero pro formulis 3?î'^'' et îfl''''^ nanciscimur 



«v,/// 2 .3 (sin3 7cos 7 + cos37sin7) __ 2 . 3 sin 4 7 



JJi - f* j> 



çf\/// 2 ■ 3 (cos 3 7 cos7 — sin 3 7 sin 7) 2.3. cos47 



Jt ^* _ ^. 



Pro m" et 5R'" fiet 



•,1V 2.3.4 sin 5 7 



53r 



2.3.4 cos 5 7 



o-v»v 2.3.4 



unde jam concludere licct fore in génère 



