(cos(x)-1)/x 极限
求函数极限:lim(x->0) (cos x)^(1/x)
x趋于无穷大时1/cos(1/x)的极限
x--->无穷大时,cos(1/x)的极限
求极限:(1/x)*cos(1/x²)当x趋于零时的极限
sin(x)cos(x)的极限是多少
求极限x趋于0时(1-cos(x/2))x / (tan x-sin x)
求函数极限lim x→0 e^x-x-1/x cos x
求极限:lim[sin(1/x)+cos(1/x)]^x (x趋于正无穷)
求极限:lim(1/sinx^2x-(cos^2x)/x^2) X趋于0
求极限:lim(x→0)ln(1+x²)/ (sec x- cos x)
求 lim(x→∞)[sin(2/x)+cos(1/x)]^x的极限.
(1-(cosx)^0.5)/(1-cos(x)^0.5)的极限