Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
x/sqrt(1-2/3 x^2)-tan(x) /. x=0.00016129
x/sqrt(1-2/3 x^2)-tan(x) /. x=0.00016129
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random