lim (sin nx)/x (x趋向0) = 我们学过lim (sinx)/x =1 (x趋向0)

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lim (sin nx)/x (x趋向0) = 我们学过lim (sinx)/x =1 (x趋向0)
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lim (sin nx)/x (x趋向0) = 我们学过lim (sinx)/x =1 (x趋向0)
lim (sin nx)/x (x趋向0) =
我们学过lim (sinx)/x =1 (x趋向0)

lim (sin nx)/x (x趋向0) = 我们学过lim (sinx)/x =1 (x趋向0)
lim (sinnx)/x=lim((sinnx)/x*n)*n=n*(lim(sin(nx)/(x*n))=n(n在这里和x没有关系,所以看做常数