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.
d((2a*sinh(h/(2a))-sqrt(s^2-v^2% 29％29％5E2％29％2Fda
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random
