Folks,
I am struggling to understand how the attached expressions were obtained for the simple rotation of 2 axes normal to each other by an angle
This is different to what is shown the wiki link Rotation matrix - Wikipedia, the free encyclopedia (See in 'two dimensions')
Ie, and
Any clues?
Regards
bugatti
I wrote this out for someone last month, if you want to take a look:
Understanding how to express basis with trig functions