... ta c6 dpcmII (2 ,0 tli6m)T (1 & quot;0 dtffi)Phuong trinh dd cho tucrng duong vfi9sin2.r * 4,gl-sn'zx =13 + 93/2-Zsintx - 3 1- 2sin2x<) 9sin2r * 31 = 13 + 3- -: - gsin'x ... ho4c B(2,,3} c(0,-t).Jx=0l.v=-t[x=2Lv =1. 0,252. fl.o tli€m)V6c to ph6p tuy6n ctta (a\(B) n iQ,z,-l), F" a (u)tt(p} Ta c6 .a(o,o,e). (o),I -d- ela/; (d) =4+a((a\,(il)=q.tlZ" ... Trongm{tphingtqad0 Oxychodudmgtdn(C ): *2+y 2-4 x+2y-5=0.fhlrtA6euerngthing 4 d* ! x - my=0 cat ducrng trdn (C) t?i hai di6m A, B pherr-biQt, sao cho dQ dii do4n AB nhtt nh6t.z. Trong khdng gian...