Tuesday, 14 January 2014

calculus - How to show that fracsin(n)n is 1 as nrightarrow0?











How to show that sin(n)n



is 1 as n0? just hint.


Answer



Maclaurin series expansion of sin(n) is,



sin(n)=nn33!+n55!+...




Hence,



sin(n)n=1n23!+n45!+...



limn0sin(n)n=1


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