Question

What is the domain of `sx=(x+2)/(sin(x))`?

Answer 1

`x in {RR - npi, n in ZZ}`

Explanation:

`s(x)=(x+2)/sin(x) color(white)("XXX") or x+2/sin(x)` (not clear which is intended)

is defined for all Real values of `x` except those for which `sin(x)=0`

Therefore the Domain of `s(x)` is all Real values excluding integer multiples of `pi` (for which `sin(x)=0`).