2024届高三定时训练．．．．A={1,2,3}ByyxxA==−{|33,}AB={3}{1,3}{3,6}{0,3,6}1eexx+−y=y=x2ee−xx−yx=−tany=2px−12qmx−0mm3m3m5m5fx()x0fxxx()32=++2x[1,3]112−2−44{#{QQABaYCAggCAAAIAAAhCUwXSCkGQkBCCAKoGBEAIoAABQANABAA=}#}A(4,3)tan()2+=tan(3π−=)1155−−2222{}annSnan0S6=10S18=70S24=90135150180sin2xfxx()sin=+23335352484ac−−2e1aabcd==1()()acbd−+−22bd−18910111(sin15cos15)−=222sin22.5cos22.522−=−21cos28−cos32cos62=−cos5823(tan103)cos50−=−2xyR，f()(xyf+=++)(xf)y1x0fx()−1f(1)=1f(0)=0{#{QQABaYCAggCAAAIAAAhCUwXSCkGQkBCCAKoGBEAIoAABQANABAA=}#}fx()(1,1)Rfff(1)(2)(2023)2023+++=2x，yx22+y−xy=3xy+2xy+−23xy22+6xy22+4afxxxax()(ln2)=−x1x2xx1210axx+24121fx()0fx()−122{#{QQABaYCAggCAAAIAAAhCUwXSCkGQkBCCAKoGBEAIoAABQANABAA=}#}f(x)=1−log2(x+2)2π△ABCABCabc，A=a=7b=13△ABC1234123456………(0,)+fx()fx()e−x1fxx(ln)e+1f()2e=x2Axaxa=+−{|121}Bxx={|3x5}a=4ABABa{#{QQABaYCAggCAAAIAAAhCUwXSCkGQkBCCAKoGBEAIoAABQANABAA=}#}fxxaxa()(3)3=−++2，aRxfx()0x+[4,)fx()9−afxxx()3sin2cos21=++fx()△ABCABCabcfA()2=a=23fx()Rx0fxx()e=2xfx()fx()f()axxfax22−3−1(5)(3+−+−)++4axa0xxRa{#{QQABaYCAggCAAAIAAAhCUwXSCkGQkBCCAKoGBEAIoAABQANABAA=}#}2{}annSn22annnSan=+*nNamn−22mfxxmx()ln1=++g(x)=−x(ex1)fx()0mxfxgx()(){#{QQABaYCAggCAAAIAAAhCUwXSCkGQkBCCAKoGBEAIoAABQANABAA=}#}