x趋近于无穷 1/sinx 的极限为多少 是零吗?

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\u89e3\u9898\u8fc7\u7a0b\u5982\u4e0b\uff1a
limsinx\uff08x->0\uff09=0
limx\uff08x->0\uff09=0
\uff08sinx\uff09'=cosx\uff1b(x)'=1
=lim(sinx/x)
=lim(cosx/1)
=cos0
=1
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  1. lim(x->∞) 1/sin x =  极限不存在(sin x 不趋于确定的值)!

  2. lim(x->∞) sin(1/x) =sin(0) = 0

  3. lim(x->∞) (sinx)/x = 0

  4. lim(x->0) (sinx)/x = 1



是发散的,在1到无穷大之间剧烈震荡。sin(1/x)的极限才是0

扩展阅读:limxsin1 x的极限x ∞ ... limx→正无穷sinx ... 日本资生堂色谱柱 ... x ne x积分0到正无穷 ... 1-e x ... xsin1x的极限x无穷大 ... lim趋于0 xsin1 x ... limxsin的x分之一求极限 ... limx 无穷xsinx分之一极限 ...

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