X趋向于π,求lim((sin^2 X)/()1+cos^3 X)
求lim (sin^2x+x)/(cos^2x-x) x趋向于无穷
高数求极限.x趋向于零,lim(sin^2x-x^2cos^2x)/x^2sin^2x ,
x趋向于无穷时 lim (3x-1)/(x^3 乘以 sin(1/x^2 ))
求极限lim(x趋向于0)ln(1+x^2)/sin(1+x^2)
求lim [sin(x^2-1)]/(x-1) x趋向于1的极限.
lim(x趋向于0)(1+sinx-cosx)/(1+sinβx-cosβx)
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求lim x趋向于0(arctanx)/(x^2+1)
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lim【(arctan x)*(cos(1/x))】,当x趋向于无穷大时,求极限
lim x 趋向于0 时,求 cos(x^2)/x 极限
求极限lim(x趋向于1)x+3x+2/x+1