《河南省商丘市第一高级中学2017-2018学年高一数学下学期期中试题 文答案（pdf）.pdf》由会员分享，可在线阅读，更多相关《河南省商丘市第一高级中学2017-2018学年高一数学下学期期中试题 文答案（pdf）.pdf（2页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、p20172018c1?p(n)Y!JK:?K?12?K,z?K5.123456789101112BCBCDCDAACDB?!WK:?K?4?K,z?K5.13.1414.12515.94216.12,54n!)K:)A?i,yL.17. (1)110011(2)= 1 25+ 1 24+ 0 23+ 0 22+ 1 2 + 1 . (2)= 51;.(4)(2)?x? 0, . (2) (sin + cos)2= 1 + 2sincos (3+12)2= 1 + m,.(4) m =32.(6)(2)dsin + cos =3+12sin cos =34.(8)sin =32,cos =12
2、sin =12,cos =32. . (10)q (0,2)? =6 =3.(12)20.(1)L2*5?:X . (2)(2)O? x = 11, y = 24,.(3)5Pi=2xiyi= 1312 220 = 1092.(4)5Pi=2x2i= 598 100 = 498.(5)p?(n)o211Kb =5Pi=2xiyi4 x y5Pi=2x2i4 x2=1092411244984112=187.(7) a = 307. . (8) y =187x 307.(9)(3)?x = 10 y =187 10 307=1507d|1507 22| 2 . (10)?x = 6 y =187
3、6 307=787d|78712| 0, f(x) b,3a + b, . (4)q 5 f(x) 1,b = 53a + b = 1,.(5)da = 2,b = 5.(6)(2) g(x) = 2 tanx, g(x)30,3)N4O=.(7) g(x)T =,x 6= k +2, T2=23, . (9)q? =32,x =3,K?g.(10) 0 32(?K8mX),V).(12).22. (1)(0.004a0.0180.02220.028)101 a0.006; . (2). 0.5 0.04 0.06 0.22 = 0.18dx7010=0.180.28?x 76.43 ?76.43.(4).2350,60)?k500.006103()PA1,A2,A3;340,50)?k500.004102(),PB1,B2,.(5).l5?2,kU?(J?k10, . (7).A1,A2,A1,A3,A1,B1,A1,B2,A2,A3,A2,B1,A2,B2,A3,B1,A3,B2,B1,B2.(9).q?2?340,50)?(Jk1,=B1,B2, . (10).?VP110.(12).p?(n)o212