求x→0时 lim(arctanx)/x

求x→0时 lim(arctanx)/x 求lim(x→0)arctanx/x的极限, 求极限lim(x→0)sinxsin(1/x);lim(x→∞)(arctanx/x) lim(x→+∞)(2/π*arctanx)^x求极限 求lim x趋向于0(arctanx)/(x^2+1) 用洛必达法则求极限 1,lim(x→0)arctanx-x/sinx^3 2,lim(x→0)lncosax/lncos 一.x---->0时,证明lim(arctanx)/x=1 lim x→-∞ arctanx/2求极限 求x趋近于0时的极限：lim(1/(arctanx)^2-1/x^2) 在X→0时求(x-arctanx(1+x^2))/(x^2*arctanx)的极限 lim当x→0,(e∧x+ln(1-x)-1)/x-arctanx 用洛必达法则求极限 lim(n趋近于0)(arctanx)/x