# How do you find #lim cos(1/t)# as #t->oo#?

##### 2 Answers

Dec 7, 2017

It is one.

#### Explanation:

Logically speaking, as

Since

Dec 7, 2017

# lim_(t rarr oo) cos(1/t) = 1 #

#### Explanation:

We have:

# lim_(t rarr oo) cos(1/t) = cos(lim_(t rarr oo) 1/t)#

# " " = cos 0 #

# " " = 1 #

We can see that the graph of

graph{cos(1/x) [-6, 6, -2, 2]}