当x趋向于π/6时,求lim(2sin^2x+sinx-1)/(2sin^2x-3sinx+1)极限
求极限(x趋向于0时)lim[sinx-sin(sinx)]/(sinx)^3
求极限lim(1+3x)^(2/sinx),x趋向于0
求极限lim(X趋向于O)(2-X/2+X)^1/sinX
急.求极限 lim x趋向于π/2,(sinx)的(1/cosx)^2
求极限 ((sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1
lim(tanx-sinx)/x^3,x趋向0,求极限,是1/2吗?
求极限 1,lim(x→∞)(sinx/x +100) 2,lim(x→∞)xtan1/x 3,lim(x→1)sin^
lim x-sinx/x(e^2-1)求极限x趋向于0
求一道极限lim(x→0)∫(sinx→0) sin^2tdt/x^3∫(sinx→0) sin^2tdt= 1/2 -
当x趋向于0时,求[cos(sinx)-1]/3x^2的极限,
求极限:lim(x^2*sinx-2x^3)/(x^3+2x^4) 当x趋向于0
lim xcos(1+X^2)/sinx x趋向于0 求极限