# Slove this limit please ?

##### 2 Answers

Mar 18, 2017

#### Explanation:

We use well known trig limit:

Or, specifically, it's inverse:

So:

And by the product rule for limits:

If we say that

Mar 18, 2017

#### Explanation:

Recall that,

Now, the Reqd. Lim.=

**Enjoy Maths.!**