求lim(x→∞)1-cos2x/xsinx

求lim(x→∞)1-cos2x/xsinx 求lim(1-cos2x)/x^2极限,x→0 求极限lim(x→0) tanx-sinx/1-cos2x lim(x→0)(1-cos2x)/xsinx 求lim x→0 1-cos2x/x·sinx极限 计算题 lim(x→0)【(√4-x^2-2)/(1-cos2x)】求极限 lim((x→0)(1-cos2x)/(x*sinx) 求lim(x→π/4) （sin2x-cos2x-1）/(cosx-sinx)的极限 用洛必达法则求lim x→ o xsinx分之1 减cos2x 求lim(x→0)(cos2x)^x^1/2以及limx(x→∞)(lnx)^[1/(x-1)]要过程第一个用对数求极限法 2.5计算极限lim(x→0) (1-cos2x)/xsinx 求下列各极限?lim x→1[x+3/x的平方-1] lim x→1 [x的平方-求下列各极限?lim x→1[x+3/x的平方-1] lim x→1 [x的平方-1/x的平方-4x+3] lim x→-(π/4) [cos2x/sinx+cosx]lim x→∞ [x的4次方-6x-2/x的5次方-4x的立方+3] lim(x趋向0) 1-cos2x/xsinx 1.计算积分∫(1-cos2x)^(1/2)dx2.求极限lim(x→+∞,a→0+)(lnx-x^a) 求极限:lim(x→0)(1/x^2)[1-cosx(cos2x)^(1/2)(cos3x)^(1/3) 求极限 lim(x→0){(cos2x-cos3x)/[(1+x^2)-1]}打错了。应该是lim(x→0)(cos2x-cos3x)/{[（1+x^2）^1/2]-1} lim x→0{1-cos(1-cos2x)}/sinx^4用等价无穷小量求此极限. lim x→0 sin2x/sin5xlim x→0 (1-cos2x)/x²lim x→0 in(1-x/2)^1/xlim x→∞ (1+2/x)^2x+1lim x→0 sin2x/sin5xlim x→0 (1-cos2x)/x²lim x→0 in(1-x/2)^1/xlim x→∞ (1+2/x)^2x+1lim x→3 (x-3)cos1/(x-3)lim x→0 (e^sinx-e^x)/(sinx-x)