【文档说明】山东省滕州一中2022-2023学年高一上学期2月质量检测（期末）数学试题答案.pdf，共(6)页，620.988 KB，由小赞的店铺上传

转载请保留链接：https://www.doc5u.com/view-aaa7dc04ecebd161eba703d88b07f6e1.html

以下为本文档部分文字说明：

高一年级质量检测1−831aba+−2(cos)(sin)(tan)()cos(tan)(sin)f−−−==−−−34π3=−34π34ππ()cos()cos(11π)333f

−=−−=−+ππ1cos(π)cos332=−+==sin2cos5+=sin52cos=−22sincos1+=25cos45cos40−+=2(5cos2)0−=2cos5=sin2cos5+=1sin5=1tan2=s

in2costan22sincos2tan1++=++12sin2cos5212sincos4212++==++π()2cos()23xfx=−()fx2π4π12T==π2ππ2π23

xkk−−kZ4π2π4π4π33kxk−+kZ()fx4π2π[4π,4π]33kk−+kZ[0,2π]xππ2π[,]2333x−−π023x−=2π3x=()fx2π2π233x−=2πx=()fx1−1k=()hxxy1–

1–2–31234O1x=−()hx0()()fxgx，故2(1)1xkx++，[(2)]0xxk−−2k02xk−2k=0x=2k20kx−2k[2,0]k−2k={0}2k[0,2]k−()fx

R0x2()exfxx=0x0x−22()()()eexxfxfxxx−−=−−=−−=−22e,0,()e,0.xxxxfxxx−−=()fxR()fxR223131(5)5()axxaxxffaxax−−+−−−−+−xR223131

(5)5()faxxaxxfaxax−−+−−−+−xR()()hxfxx=+()hxR2315axxax−−−xR2(3)40axax−++xR0a0a20(1)36aa+−19aa(1,9)()fxx()()0fxfx+−=22lg()lg

()011aaxx+++=−−−22()()111aaxx+−=−+2[(1)2][(1)2]1axaxx−++−=−222(1)(43)0axaa−−−+=x2210430aaa−=−+=1a=[1,2)x(2)xyf=lg(42)xy=−24

221xxa+−−[1,2)x12=−xt[1,3)t23()−+att，[1,3)t22222+=tttt2[1,3)=tmin2()22+=ttmax2[3()]322−+=−tta(322,)−+