lim x趋向0 (1+cos^2(1/x))^x

lim x趋向0 (1+cos^2(1/x))^x x趋向0 lim cos(1/x),x趋向pai/2 tanx lim(1-(cosx)^(1/2))/(x(1-cos(x)^(1/2)) x趋向0 利用lim sinx/x =1或等价无穷小量求极限 lim (cosαx-cosβx)/x^2 x趋向0 lim(x趋向于0）(1+sinx-cosx)/(1+sinβx-cosβx) lim(x趋向于无穷大时)cos{ln[1+(2x-1)/x^2]} lim(x趋向于无穷大时)x^2[1-cos(1/x)] X趋向于π,求lim((sin^2 X)/()1+cos^3 X) 1.lim(sinx)^2/√(1+xsinx)-√cosx x趋向于02. lim（cos√x）^cotx x趋向于0 3.lim（1-x）tanπx/2 x趋向于0+ 求各位大神帮个忙1.lim(sinx)^2/√{(1+xsinx)-√cosx} x趋向于0额，第一题式子应该是这样的 lim(x^2+1)/(2x^+1) x趋向0 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) 求极限lim[1-(cosx)^0.5]/[1-cos(x)^0.5] 其中x趋向于0正 lim(x趋向0)[1-cos(1-cos2x)]/x^4怎么解? lim(x趋向0)[1-cos(1-cos2x)]/x^4怎么解? lim(x趋向0+)x/[(1-cosx)^(1/2)] 求极限lim【1-cosmx)/x^2】,x趋向0