Function C:{x). 439 



r°°r~ r^rr^- r^y / ^^ 4:r irr. ^ 





/o Ji> J« ^0 7(1 ^0 E 



)., + ! (i 



.|r[j'''(Vi/l--i+//l>.-2y,,_,y.,>. cos.px)^' " '^''(y2-+i) cos (2^.+ '3H5-'y,) r/^.rfy/j. . .dy,,+ iilf,= 



/•oo reo reo r. r. r. , . n . 2n . 2;-;r ^ 



/o ^0 Ja Jo Jo J« 6 



.|T] ^"(v/z/ix^i +yL-2y2x-i^2>, cos ^,) cos 12y,rfy, r/y^ . . • (J,j„.df, = (-1) "+ tV]2'— '.t^ v/4r+l 

 1 



r-o ro. reo rr. r. r. . , . n . 2n 



... ••• 1^.- ■•'-«■"(^/t«»" 4^:^:3 + ^.ya«'°4^:^ + --- 



/<t ^0 Jo Jo Jo Jo a 



r 



+ £2,</2,. sin ^ 4,."t 3 ) •^" (y^' + O |rf -^'' iWk-i +yk—2iM-\y-i,. cos ^.l cos 12f,d;/^(J>/^ . . . Jy-.r+i'ff,. — 



1 



= (-ly + L'-T-T ^47r)'- v/4/H^ 



/» ^0 yu ^yo ^1) ^0 t 



V* / ;r 2;r 2;-;r \ 



^ -, E., . . . .3,-. COS (2/, cos^^-^ +£,y, cos j-^- + . . . +=-2,-iy.. cos ^-^y 



.K\j''{\/yk-i+yk-2yii-iy2x cos^x) cos \2<f■^dy^dy^. . .dy^rdf,. = (—1)''"^ +L-g-J22'-f;r'- 

 i 



/•oo /•oo reo r. r. r. ^ 2^ 



J» Jo J» Jo Jo Jo t 



+ £2ry2r+i COS ^^^^^) J"{y-r+i) TTj J" {V yli-i + yh.—2tja-i «/2X COS ^x) COS 12yx(^2/, ^</2 ■ • ■ dyir+idf, = 



— (_!)'■+ L^J2='-,r'- 



yo ^0 ^0 Jo Jo Jo I 



.|T] ^" (\/i/!x-i+2/lx-2«/2x-iy2X COS fd COS 12yxf^2/, f///» . . . di/,rd<fi = (-1) "^ " 2^--' tt- 



