lim x趋向0 1/x∧2— cot∧2x 求极限

lim x趋向0 1/x∧2— cot∧2x 求极限 x趋向0 lim(cot x- 1/x)=? x趋向于0 lim(1+tanx)^1-2cot 求极限 lim(x趋向0)ln cot x|lnx等于? 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(x^2+1)/(2x^+1) x趋向0 lim x趋向0 (1+cos^2(1/x))^x lim(1-2x)^1/x x趋向于0 lim(x趋向0)ln(1+sin x)/x^2 lim(x趋向于0)(x*cotx-1)/(x^2) lim （sinxe∧x -x（x+1））/x∧3 x趋向于0 lim趋向于0,(e∧2x-1）/x lim x趋向0 {[(1+x)∧1/x]/e}∧1/x 求详细过程 lim(tanx+sinx)/x∧2 x趋向于零 f(x)={x x=1}求lim x趋向于1- f(x) lim x趋向于1+ f(x) lim趋向于1 f(x)f(x)={2x-1 x0} 求lim x趋向于0- f(x) lim x趋向于0+ f(x) lim趋向于0 f(x) lim(x趋向0+)x/[(1-cosx)^(1/2)] 求极限lim【1-cosmx)/x^2】,x趋向0