求极限lim(x→3)cosx

x→∞ lim(cosx+x)/(sinx-x) 求极限? 求极限lim(x→0)x²/1-cosx 数学求极限lim x→0 ( x3/1-cosx) 求下列极限lim(x→0)(1-cosx)/xsinx 求极限 lim(cosx+sinx)^1/x 求极限lim x→π(sin3x)/(x-π)和求极限lim x→π/2(1+cosx)secx lim/x→0 /lim 2-2cosx/ sinx^2利用罗必塔法则求极限 求函数的极限lim((x→x/2)cosx)/(cos(x/2)-sin(x/2)) 求极限lim x→∞ (xsin1/x+sinx/x+cosx/x) 求极限 x 趋于0 lim(cosx)^1/(x^2) 求极限 lim x-0 1-cosx / x-sinx 求lim(x->0+) x/[根号(1-cosx)]的极限,