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.
((cos61.75cos27.25)i+(cos61.75sin27.25)j+(sin61.75)k)*((cos61.75cos128.5)i+(cos
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random