Name:Юрий Гресюкович
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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
I dont see either....
Thanks, I saw the condition. Could you give a and b for a ray that returns to 0.0? one example, if I could untwist a sequence
I don't see how it's even physically possible for the light to terminate at (0,0). Isn't it always reflecting "upwards" at an angle of 45 degrees? How would it ever go back down to the point (0, 0)?
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