|November 17th, 2011, 11:59 AM||#1|
Joined: Aug 2011
find inverse of inverse function
I have to find the inverse of . I know usually you just swap x's and y's, but I'm confused here.
|November 17th, 2011, 12:58 PM||#2|
Joined: Sep 2007
Re: find inverse of inverse function
Just undo it step by step. The reason this is the "inverse of inverse function" is that is the inverse of the tan function. If take the tangent of both sides: . Can you solve for x now?
|find, function, inverse|
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