Question

What is sin(0) divided by sin(0)?

Answer 1

Undefined

Explanation:

`sin(0) = 0`

So:

`sin(0)/sin(0) = 0/0` which is undefined.

Division by `0` is (almost always) undefined.

Note however that there are some limits which do exist:

`lim_(x->0) sin(x)/sin(x) = lim_(x->0) 1 = 1`