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.
{{1,0,1},{0,1,0},{0,0,1}}*{{cos(pi/6),-sin(pi/6),0},{sin(pi/6),cos(pi/6),0},{0,0,1}}*{{1,0,-1},{0,1,0},{0,0,1}}*{{cos(pi/6),-sin(pi/6),0},{sin(pi/6),cos(pi/6),0},{0,0,1}}
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random