\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 n\u0103m 2016 m\u00f4n To\u00e1n tr\u01b0\u1eddng THPT H\u00e0 Huy T\u1eadp c\u00e1c em ch\u00fa \u00fd theo d\u00f5i d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n
C\u00e2u 2 ( 3 \u0111i\u1ec3m)<\/strong><\/p>\n a) Cho h\u00e0m s\u1ed1 y = x3<\/sup> \u2013 2x2<\/sup> + 3 (C). vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn c\u1ee7a \u0111\u1ed3 th\u1ecb ( C) t\u1ea1i \u0111i\u1ec3m M thu\u1ed9c (C ) bi\u1ebft ti\u1ebfp tuy\u1ebfn song song v\u1edbi \u0111\u01b0\u1eddng th\u1eb3ng (d) c\u00f3 ph\u01b0\u01a1ng tr\u00ecnh: -40x + 2y + 1 = 0 v\u00e0 \u0111i\u1ec3m M c\u00f3 ho\u00e0nh \u0111\u1ed9 l\u00e0 s\u1ed1 nguy\u00ean<\/p>\n b) T\u00ednh \u0111\u1ea1o h\u00e0m c\u1ee7a h\u00e0m s\u1ed1 y = (x2<\/sup> + 4 ). cos (2sinx)<\/p>\n c) Cho h\u00e0m s\u1ed1 y = 8cos4<\/sup> x \u2013 8 cos2<\/sup> + 1. Ch\u1ee9ng minh \u0111\u1eb3ng th\u1ee9c (y\u20192<\/sup>)\/16 + y2<\/sup> = 1<\/p>\n C\u00e2u 3 ( 4 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh thang.( AB\/\/CD); AD=DC=CB=AB\/2=a. g\u00f3c ACB = 900<\/sup>\u00a0.SA vu\u00f4ng g\u00f3c v\u1edbi (ABCD). G\u1ecdi E l\u00e0 trung \u0111i\u1ec3m c\u1ee7a AB. Bi\u1ebft g\u00f3c (SC, \u0111\u00e1y) b\u1eb1ng 600<\/sup>.<\/p>\n a.cmr CE vu\u00f4ng g\u00f3c v\u1edbi (SAB), (SAC) vu\u00f4ng g\u00f3c v\u1edbi (SBC)<\/p>\n b.x\u00e1c \u0111\u1ecbnh g\u00f3c gi\u1eefa (SC, \u0111\u00e1y), t\u00ednh c\u1ea1nh SA<\/p>\n c. t\u00ednh kho\u1ea3ng c\u00e1ch t\u1eeb A \u0111\u1ebfn (SCB)<\/p>\n d. t\u00ednh kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u01b0\u1eddng th\u1eb3ng SC v\u00e0 DE<\/p>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 n\u0103m 2016 m\u00f4n To\u00e1n tr\u01b0\u1eddng THPT H\u00e0 Huy T\u1eadp c\u00e1c em ch\u00fa \u00fd theo d\u00f5i d\u01b0\u1edbi \u0111\u00e2y: C\u00e2u 2 ( 3 \u0111i\u1ec3m) a) Cho h\u00e0m s\u1ed1 y = x3 \u2013 2×2 + 3 (C). vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ti\u1ebfp tuy\u1ebfn c\u1ee7a \u0111\u1ed3 th\u1ecb ( C) t\u1ea1i \u0111i\u1ec3m M thu\u1ed9c […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[171],"tags":[],"yoast_head":"\n