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.
second derivative l*sin(x(t))+b*l*sin(x(t))/(l^2+a^2-2a*l*cos(x(t)))^(1/2) with respect to t
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random