广州市一中高一数学期末考试卷

1、 分330） 08）2323）1216359aSS a n595=（）nna3S12112+Z）+Z+Z+ZM=N=|x=2N（）x+1是x +x0）2f)=a + xa）x1a1412422 =2 =2 =（）abc71tan （）0 ,sin cos ,则131tan17771777171712 2）tan 2,则 sin cos2451725257251772541420sin( )cos( =.)3311cos1cos1cos =.1111=. 12 23 34n(n1) a+b=.y axba nS S + =n+a =.nn2nn2x18A=|x，.ABB x|2Rx458 、 .

2、cos ,cos( ) ,求sin5138. 3 =4 =5 =）6n1, n 2k 1,kN*8S =a +a a .a 12( 2) , n 2k,kN*nn18a a a a ,n1,2,3,.b nn124a2n7b b 前3 a a .nn24n11af)=x， ( )g x x1afgy x2221. af)+gn ( ( ) 1.f ng(n)2a n4123S a n1 2,n=.n33nna a ；1n2n3T ,n , .T T T12S2nnn3123456789CCCABDADAC43,n 131n 2cot4a 2n12 , n 2nnAx| x或x2B=x|2x 6

3、B x|2 x 34AB= | 2 38x x R435 cos 2sin 1cos255 、 (0,), cos( ) ，而131213 )1 cos )4 ) 5 21 2 4 ( ) 13 5 13 5 65536 3sin sin( )cos )sin 68x+x=+xm 22+ = 455 6 +x=6x=7 8S =a +a a )+a +a a )=+ +2 ) 22132451132(12 )=106=+2 2= 8212a a a a =a +a a =a a . 12124214214a da +2 =a a +3d=a . 3n111111 1 2 ,4a a 2n d

4、d b nn2nd1na2n1 112b2n1dn1. b . 61 1nbnd 2n11 17 )d=a =d= 8b b b 12d2 424123f=g=a|=a= 2123xx22 x,x 112121f)+g)=x +3x2 x 121 x2, x122当1f)+g.1当1f)+g在 ,1). 521f)+gf)+g ,)621111 2 1CC 10n1 n1 1得10 ( ) 1. 8 n12( )10n1 ( )n( )f n( )g n2222CnnC当， n1 1C C C C C C 9123345Cn11110012810( )10( )10 ( )1. f (n)g(n)f g272222414123得 4a S a .S a 1 n 2,n334333nn11112a = S a nn12,2,3, ,n1333n141(a a) (2n1 2 )n=.na S S 33nnn1nn1a =4a . a +2 a +2=4nnn1n1a +2n=1 =n=. a =nn=.nna =4 2 nnn412 123=.S (4 2 ) 2 1 (2 1 1)(2 1 2)n(2n1 1)(2 1)nnnnnn333 32n32n311T n ().S2 1) 2 2 1 2n1