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.
Find the 2 * 2 matrix of rotation by 45° in the plane. Verify that its determinant is 1
Find the 2 * 2 matrix of rotation by 45° in the plane. Verify that its determinant is 1
Natural Language
Math Input
Extended Keyboard
