Re: Range of Function

On Thu, 29 Jun 2006, Simon Dean wrote:

I am trying to calculate the range of:

f(x) = sin (Arctan x)
-and-
g(x) = ln (cos x)

Any suggestions would be greatly appreciated!

sin arctan x = +-x/sqr(1 + x^2)

Are you sure about g? What's the domain of ln cos x?

.

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