x趋向0 lim(cot x- 1/x)=?

x趋向0 lim(cot x- 1/x)=? lim(x趋向0)ln cot x|lnx等于? lim x趋向0 1/x∧2— cot∧2x 求极限 x趋向于0 lim(1+tanx)^1-2cot 求极限 1.x趋向0 lim (cosx-1)/x 2.x趋向0 lim sinx/x 微积分limlim cotx/cot(2x)x趋向于0求lim值（（x+1)√(5x))/2x^2 求导 x趋向1负时,求lim【ln(1-x)+tan派/2*x】/cot派*x,谢谢 lim(1-cosx)x趋向0, lim(x趋向0) 1-cos2x/xsinx x趋向0 lim xcotx x趋向0 lim [ ln (1-x) / (e ^ x-1 ) ] 计算极限 lim(1-x)^1/x x趋向0 lim(1+e^1/x)^x,x趋向于+0 lim x趋向0 (1+cos^2(1/x))^x lim(1-2x)^1/x x趋向于0 lim(x^2+1)/(2x^+1) x趋向0 求极限 lim x趋向0(x+ex)1/x lim(ln(1+x)/x) x趋向0