求极限lim(x→0) cos(1/x)
求函数极限:lim(x->0) (cos x)^(1/x)
求函数极限lim x→0 e^x-x-1/x cos x
求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限
求极限:lim(x→0)ln(1+x²)/ (sec x- cos x)
求极限lim(x→0)(1-根号cosx)/[x(1-cos根号x)]
求lim(x→0+) ( 2/π*cosπ/2(1-x))/x的极限
求极限lim(1-√cosx)/(1-cos√x) (x→0+)
求 lim(x→∞)[sin(2/x)+cos(1/x)]^x的极限.
求极限:lim(1/sinx^2x-(cos^2x)/x^2) X趋于0
求极限lim(x→0)(1/sin²x-1/x²cos²x)
求极限lim(x→0)(x^3sin1/x)/(1-cos^2x),要详细过程~
求极限lim(x,y)→(0,0) [1-cos(xy)]/xy^2.