Rotation matrix

  1. I have a question from Strang's Linear Algebra on page 230. Does anyone know how to derive the attached statement?
     

    Attached Files:

  2. jcsd
  3. Tom Mattson

    Tom Mattson 5,538
    Staff Emeritus
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    When I detatch your document it comes out as gibberish. Could you either post a PDF or type up your question in LaTeX?

    Thanks,

    Tom
     
  4. Bad first attempt

    This was my first attempt. I have my answer though from another post. Thank you. I will use the built in functions after this.
     
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