# Limit question

• January 26th 2009, 10:59 AM
shiel8
Limit question
Evaluate lim x -> 0 csc^2 x
my answer key says the answer is infinity but i have no clue what steps to take to find that answer.
• January 26th 2009, 11:00 AM
Chris L T521
Quote:

Originally Posted by shiel8
Evaluate lim x -> 0 csc^2 x
my answer key says the answer is infinity but i have no clue what steps to take to find that answer.

Hint: $\csc^2x=\frac{1}{\sin^2x}$

What happens to this as $x\to0$?