Re: 極限喔
※ 引述《rath (bull shit)》之銘言:
: (1-cosx)^2
: lim ---------
: x->0 x^2
2(1-cosx )(sinx) sinx
= lim ------------------ = lim ( 1-cosx) * lim -------- = 0*1 =0
x->0 2x x->0 x->0 x
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