lim(1-cosx)/5x x趋向0

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lim(1-cosx)/5xx趋向0lim(1-cosx)/5xx趋向0lim(1-cosx)/5xx趋向0用l''Hopital.lim(1-cosx)/5x=sinx/5=sin(0)/5=0是罗比

lim(1-cosx)/5x x趋向0
lim(1-cosx)/5x x趋向0

lim(1-cosx)/5x x趋向0
用l'Hopital.
lim(1-cosx)/5x = sinx/5 = sin(0)/5 = 0

是罗比达法则
lim(1-cosx)/5x = sinx/5 = sin(0)/5 = 0

罗比达法则
lim(1-cosx)/5x = sinx/5 = sin(0)/5 = 0