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^2/(60/cos 40)^2) + (y^2/60^2) = 1
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
