{{0.93611, 0.216794, 0.276916}, {0.340717, -0.363939, -0.866855}, {-0.08715, 0.905826, -0.414555}}.{{0.9, 0, 0}, {0, 1.1, 0}, {0, 0, 0.9}}

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.