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!+...



lim


No comments:

Post a Comment

real analysis - How to find lim_{hrightarrow 0}frac{sin(ha)}{h}

How to find \lim_{h\rightarrow 0}\frac{\sin(ha)}{h} without lhopital rule? I know when I use lhopital I easy get $$ \lim_{h\rightarrow 0}...