limx趋近于0 sin(x+1)-sin(1-x)/x=

limx趋近于0sin(1/x)/(1/x) limx趋近于1 sin(1-x^2)/1-x limx趋近于0 sin(x+1)-sin(1-x)/x= limx趋近于0 (tanx-sinx)/sin^3x limx趋近于0y趋近于0sin(xy)/x求极限. 求问 limx*sin(1/x) 当x趋近于0 limx趋近于0x^(x^x-1)的极限 证明x趋近于0+ limx[1/x]=1 limx趋近于0 x^3-1/x-1 limx趋近于0(sinx/x)^(1/x^2) limx趋近于0+ x·e^1/x limx趋近于0sin2xln(1+x)/4x^3 limx趋近于0 (e^2x)-1/x limx趋近于0 1-gen1+x^2/x^2 limx趋近于0时1/(1-e^1/x) limx趋近于0(1/(EX次方-1)-1/x) 求极限limx趋近于0 (arcsinx/x)^(1/x2) 数学题 limx趋近于0【1/x】tanx次方