lim(x趋向0)(e-e^cosx)/ln(1+x2)

lim(x趋向0)(e-e^cosx)/ln(1+x2) lim e-e^cosx除以xsinx x趋向0 lim(e^x-cosx)/xsinx x趋向0 lim(x趋向0)(1-e^cosx-1) lim e∧x+e∧-x/cosx (x趋向于0)为什么等于2呀 lim(x趋向0)(e-e^cosx)/(√1+x^2的3次方-1) lim （x 趋向于无穷)e^-x^2*cosx 求极限lim[cosx-e^(-x^2/2)]/x^4 其中x趋向于0 lim[1-(cosx)^2]/x(1-e^x)x趋向0 lim ln(e^sinx) x趋向0 lim(x趋向0）(e^x-e^-x)/x lim(x趋向于0)(e^x2+cosx-1)^(1/x2) lim(e^x2-1)/(cosx-1)当X趋向于0的时候,极值是多少 lim x趋向0[e^(x^2)-e^(2-2cosx)]/x^4 答案是1/12 lim趋向0时,e^x-e^-1/X Lim(x趋向正无穷)cosx/[e^x+e^(-x)]=? 高数求极限,lim(x趋向正无穷）cosx/(e^x+e^-x) lim(x趋向0）(e^x-x^-x)/x