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.
For tan y = x , calculate dy/dx . Interpret the result as the derivative of arctan x
For tan y = x , calculate dy/dx . Interpret the result as the derivative of arctan x
Natural Language
Math Input
Extended Keyboard