Homework Statement
limx->0+ [tan(\sqrt{x})-sin(\sqrt{x})] / x\sqrt{2x}
Homework Equations
tanx= sinx/cosx
The Attempt at a Solution
I set u= \sqrt{x}
Therefore as a->0, u->0
And I get the limit
=lim x->0+ (tan(\sqrt{x})-sin(\sqrt{x}))/ (x*\sqrt{2}* \sqrt{x})
= 1/\sqrt{2}lim u->0...