求极限lim x-0 2x/sinx

求极限lim(x->0)x^sinx, 求极限lim(x-0)sinx/|x| 求极限 lim/x-0 (e^x+sinx+x^2) 求极限lim x-0 2x/sinx 求极限 lim x-0 sinx/2x =? 求极限lim(x→0)(tanx-sinx)/(x-sinx) 求极限:lim(x->0) ln(sinx/x)/(x*x) 两个重要极限求极限lim（x->0）(x-sinx)/(x+sinx) lim(x->0) (tanx-sinx)/X& 求极限lim x→0 (x-xcosx)/(x-sinx) 求极限lim(x→0)x-sinx/x^3 求极限 lim (x->0) 3x/(sinx-x) 求极限lim{x-0}(sinx)/X^3+3x