lim(x趋向0) x^2 / (sin^2) * x/3

lim(x趋向0) x^2 / (sin^2) * x/3 lim(x趋向0) x^2 / (sin^2) * x/3 lim(x趋向0)ln(1+sin x)/x^2 lim[(sin x)^tan x],x趋向于Pai/2 lim[sin(xy)/xy],x趋向2,y趋向0,求极限 求解当x趋向0时lim[sin(2^x)ln(x+1)]/(2^x-1) lim(1/（x^2-x)）*sin(π/x）x趋向于0请详解 lim (x趋向于0) sin(sinx)/x lim趋向1 sin(x^2-1)/x-1lim趋向无穷大(1-3/x)^2xlim趋向0 sin5x/tan3x 求极限lim(x趋向于0)ln(1+x^2)/sin(1+x^2) lim x趋向于0 分母为sin^2 (x/5) 分子为x^2 lim(x^2+y^2)sin(1/(x^2+y^2))X趋向0，Y趋向0 求此极限 lim (x趋向于0)sin(sinx)/sinx lim[x(ln(a+bx)]/sin(ax^2)a>0,x趋向0，求极限 高数求极限 帮下忙1.Lim X趋向0,SIN5X^2/(TAN2x)^22.Lim X趋向PAi SINX/X-PAI3 Lim X趋向正无穷,2^x*SIN 1/2^X大家不要嘲笑我-, 当x趋向π lim (sin 3x )/( sin 2x) 的极限为? x趋向0 lim xcotx (1)lim(x趋向0)[(1+x)^0.5+(1-x)^0.5-2]/x^2 (2)lim(n趋向无穷)sin[[(n^2+1)^0.5]π](1)lim(x趋向0)[(1+x)^0.5+(1-x)^0.5-2]/x^2 (2)lim(n趋向无穷)sin[[(n^2+1)^0.5]π]