X→0,lim(sin1/x+cos1/x)^x

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X→0,lim(sin1/x+cos1/x)^x
X→0,lim(sin1/x+cos1/x)^x

X→0,lim(sin1/x+cos1/x)^x
答:
lim(x→0) [sin(1/x)+cos(1/x) ]^x
=lim(x→0) { [ sin(1/x)+cos(1/x) ] ^2 }^(x/2)
=lim(x→0) [ 1+sin(2/x) ]^(x/2) 因为:0