# Limit arctg (x)

## Homework Statement

I need help solving this limit. If anyone coud«ld help i'd be grateful

## The Attempt at a Solution

I have no idea how to solve the indetermination...

Dick
Homework Helper
Did you try l'Hopital's rule?

Did you try l'Hopital's rule?

This is a problem for calculus 1, i'm not familiarized with l'Hospital's rule :\

Dick
Homework Helper
This is a problem for calculus 1, i'm not familiarized with l'Hospital's rule :\

Do you have any inequalities concerning arctan you can use? Something like 0<=arctan(u)<=u for u=>0?

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Do you have any inequalities concerning arctan you can use? Something like -u<=arctan(u)<=u?

All i've been given was the limit above. I'm supposed to know what's his limit when x tends to zero

Dick