If $g'(0)>0$ write this expression $\lim\limits_{x \to 0} \frac{\sin(f(x))}{\sin(g(x))}$ using $f(0),f'(0)$ and $g(0)$.

48 Views Asked by At

If $g'(0)>0$ write this expression $\lim\limits_{x \to 0} \frac{\sin(f(x))}{\sin(g(x))}$ using $f(0),f'(0)$ and $g(0)$.

This came up in my Analysis 1 exam, and i couldn't do it.

1

There are 1 best solutions below

0
On BEST ANSWER

The expression is not determined if and only if $f(0)=g(0)=0$Use Hospital, the limit is

${{f'(0)cos(f(0)}\over{g'(0)cosg(0)}}={{f'(0)}\over{g'(0)}}.$