lim(1-cosx)x趋向0,
lim(1-cosx)x趋向0,
X趋向0 lim(xsinx)/(1-cosx)
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lim(cosx)^(1/(1-cosx)).x趋向于0
1.x趋向0 lim (cosx-1)/x 2.x趋向0 lim sinx/x
lim(1-cosx)/5x x趋向0
lim(x趋向于0)(1-cosx)/x^2
lim(x趋向0)(1-e^cosx-1)
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lim(x趋向于0)(cosx)^[1/(xsinx)]=