lim(x→0)〖(∫[cosx,0](e^t-t)dt/x^4 〗

求Lim(x→0)(sinx/x)^(cosx/1-cosx) lim(x→0)(1/cosx)=? 求lim(1-cosx)/x^2求lim(1-COSX)/X^2X→0 lim(x→0)〖(∫[cosx,0](e^t-t)dt/x^4 〗 lim(x→0)(cosx-cos^2x)/x^2 lim（x→0） 1-cosx/x＋x lim(x→0)(e^x-cosx)/x=1? lim(x→0) (e^x-cosx)/x 求极限lim(x→0)x²/1-cosx lim(x→0)(cosx)^(1/ln(1+x^2)) lim(x→0)(cosx)^[4/(x^2)] lim x→0[ln(cosx)]/x^2 lim(x→0)(cosx)^4/x^2 怎么解 求极限lim(x→0)(cosx-(1/x)) lim((x→0) (sinx/x)^1/(1-cosx) lim(x—0) (1-cosx)/x limx→0(cosx)^(1/x^2)求解lim(x→0)((cosx)^(1/x^2)) 数学求极限lim x→0 ( x3/1-cosx)