Find `fog` and `gof` , if `f(x)=|x|` , `g(x)=sinx`

Explanation

`f(x)=|x| g(x)=sin x`
`


f: R-(0, a s): g: R-[-1,1] `


Computing fog:

Clearib, the range of g is a subset of the domain of f.
`
=f circ g: R to R`
`
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