Thread: Limit question

1. 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.

2. 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 $x\to0$?