274 



Francisci Berteili 



^E) R= 



-- .s"*" W)ee'cos(if-^2x—o~o') (/), (num. 17), 



.™ . 2'^'^N(2)e'2cos(</-H2x— 2«') (g), (num. 18) , 



h'J^ . S*'^N(3)(eSM^'2)cosi> (d), (g), (num. 16, 18), 



m -t-oo 

 H — . S N(^)ee'cos(/r--t-o-t-o') . 

 2 -oo w J 



H — .S N(5;ee'cos(ty — o-t-w') 

 2-00 vy / 



(/), (num. 17)> 



H-'^. p2 |2"^°^p(o)cos(j7-t-2x)-t-S"*''^Q('')cos(;-| . . (h) , (num. 19), 





-.pqU S"^'^«2B(.)sin(y'*2xj (/), (num- 20), 



— .7» E P0)cos(n'-H2:c)-t-S Q'^fcost/ . . . (m), (num. 21), 

 2 ( —00 —00 } 



{ ^(cos(x^2x)^cosj] 



■J-PP 



-t-oo 



is _ aa'B('-' )cos(jy^2x) \ ( „) , („um. 22) , 



,-<-oo 



•4- IS aa'B('-<)cosi/ 



-00 



— Jsin(j-4-2a:)H-sinj] 



m 



^-■P9- 



-f-OO 



iS_ aa'BO- i)sin(tj^2x) 



-1-00 -- 



-(-IS aa'BC'-i/sImj 



.(o) , (num. 23) ; 



-{co^{y-*-2ix) — cos/ 1 



m' 



-t-oo 



qq'\ \—h^_ a«'B(>-i)cos(ijH-2j:)l / (r), (num. 24) ; 





