lim x→∞ (x+sin 2x)/2
求 lim(x→∞)[sin(2/x)+cos(1/x)]^x的极限.
求极限 1,lim(x→∞)(sinx/x +100) 2,lim(x→∞)xtan1/x 3,lim(x→1)sin^
求极限 ((sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1
求解sin(x)+lim(x→-∞)+2/x*[x,(x+2)*3]/x+x6+x2/(x+[x,x2+2x])+√x
lim sin 2x / sin 5x lim arctan x / x
lim tan x - sin x / x³ lim eˆ2x - 1 / x
lim(x趋向0)ln(1+sin x)/x^2
lim(sin(x^2*cos(1/x)))/x怎么做?
求极限lim(x-->0)x^2 sin(1/x),
求极限lim(x→∞)2^x*sin(x/2^x),能不能用等价无穷小使sin(x/2^x)~...
求函数的极限lim((x→x/2)cosx)/(cos(x/2)-sin(x/2))
求极限:lim x→2 sin(x-2)/(2+x-x²)