State the domain and range of each of the following functions:
(Enter your answers as inequalities: help (inequalities). Your domains should be inequalities in $x$ and ranges, in $y$. As always, type pi for $\pi$. If you wish to enter $\infty$, type infinity.)

(a) $f(x) = \arccos{(x)}$ has
Domain:
Range:

(b) $g(x) = \arcsin{(x)}$ has
Domain:
Range:

(c) $h(x) = \arctan{(x)}$ has
Domain:
Range: