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.
3.2cos40 + (-5.10cos35)+(-4.80cos23)+DX=0
3.2cos40 + (-5.10cos35)+(-4.80cos23)+DX=0
Natural Language
Math Input
Extended Keyboard
