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.
2*pi*1.8/100*4.6/1000*3.4/1000*sin(20)
2*pi*1.8/100*4.6/1000*3.4/1000*sin(20)
Natural Language
Math Input
Extended Keyboard
