2021-2022学年福建省漳州市诏安县高二（下）期末数学试卷（附答案详解）

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2021-2022
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0,3,c=g,ᑣ!"2.2A.a'(()立3A.BV6一4更c2r2V56.?=(A2),(3,-5),BC9DḄᜳ<஺<%&ij/lḄF'H()A.(-8IB.C.(-oo,|)U(|,y)D.(-oo,-|)U(-|)y)7.ᵬLᨵ6NOᳫ%4NQᳫRSLᨵ8NOᳫ%6NQᳫ%ᑣTUFVL%WXYLTUFVᳫ%YᳫOᳫḄᭆ᳛(()A.-B.-C.-D.-7010768.)ᦪf(x)=-9x,x

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þÿA,“ᙢ”B,ᵫ⚪P(A)=0.6,P(B)=0.8,P(AB)=0.3,ᙠᙢḄᩩᵬᙢ"Ḅᭆ᳛P(4|B)=◤=|,ᦑ)ᫀ᪷,ᩩᭆ᳛-./01ᐭ-.ᓽ.4⚪ὃ6ᩩᭆ᳛ὃ678Ḅ-.9:;<=4Ḅ>ᦪ@ᐵB.15.ூ)ᫀ௃G,65ூH᪆௃HJa€6,M),/?€(0,)ᡠQ:_aE(_1,()),?+£ᡠQcos(Z—a)=11—sin2(--a)=4y45sin©+0)=Jl-cos2(J+S)=g,

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10ᡠQßày=ᙠ(1)(1))ᜐḄᑗàãäy-1=-4(%-1),ᓽy=-4%+5Ì-2(%2+஺)-2%(3-2%)(2)Jf(%)=åḄ¸ᦪ/(%)=(x2+a)2½ᦪ/(X)ᙠX=-1ᜐ´᩽},ᡠQr(_l)=O,ᓽå=0,Ha=4,2(஺+1)(é-4)JÛ/(%)=ç'(%)=(X2+4)2,ᵫ/'(%)>஺ê>4ᡈê<-1Ìᵫ/'(X)<0G10ÌÙê<|Ú/(x)<0,ðᦪy=/"(x)Ḅñò᝞ñᵫñpᦪ/(x)ᙠx=-1ᜐ´ᨬᜧ}1Ìᙠê=4ᜐ´ᨬ»}G/ᡠQᦪf(x)Ḅᓫ¯⌴ìôõ(—8,—1)(4,+8),ᓫ¯⌴±ôõ(—1,4)Ìf(x)Ḅᨬᜧ}1ᨬ»}-îூH᪆௃4⚪ὃ6ᦪḄᨬ}¸ᦪḄö÷nøàḄîù0ãäᑭᵨ¸ᦪẆÂᦪḄ᩽}Ä᫏⚪.(1)ᑭᵨ¸ᦪḄö÷núᔠøàḄîù0ãä-.úüÌ(2)ᑭᵨ¸ᦪẆÂᦪḄ᩽}a=4,¼½/(x)=|=||,ýᑭᵨ¸ᦪẆÂᦪḄ᩽}ᦪ/(x)ᙠê=-1ᜐ´᩽ᜧ}1,ᙠx=4ᜐ´᩽»}-ýúᔠᦪ/Q)ḄH᪆0ᦪḄᜧþñòýᑭᵨᦪ/(x)ḄñòúᔠᦪḄᨬ}ᦪ/Q)ᙠx=-1ᜐ´ᨬᜧ}1Ìᙠx=4ᜐ´ᨬ»}-;
.419.ூᫀ௃(1)A8C2b+c=2acosC,ᵫᳮ2sinB+sinC=2sin4cosC,,•4+8+C=",:.sinB=sinjyr—(4+C)]=sinAcosC+cosAsinC,•2sirh4cosc+2cos/sinC+sinC=2sinAcosC,•(2cosA+l)sinC=0.vsinCHO,•cosA=—ᔠḄឋ4=g.

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