高数课程妥媒血课件 镭理工大理>> 0,(n=0,1,2,) nICE -SiN 5 2 505105 10 (-1) n= n元 F()=10y(-y nIZ SIn (-5<x<5 兀mn 5 10-x 10(-1) ∑ not sin["(x-10) 5 n=] 10(-1)"m兀 SIn (5<x<15) T n=1 tt p : // hx y F(z) − 5 0 5 10 15 a = 0, (n = 0,1,2, ) n   = − 5 0 2 ( )sin 5 2 dz n z b z n , 10 ( 1)  = − n n (n = 1,2, ) , 5 sin 10 ( 1) ( ) 1   = −   = n n n z n F z (−5  z  5)   = − −    − = 1 ( 10)] 5 sin[ 10 ( 1) 10 n n x n n x . 5 sin 10 ( 1) 1   = −   = n n x n n (5  x  15)