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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.
Scala translation
Duplicate
Specific encodings of input or output do not make a kata not a duplicate, so degrees or radians doesn't matter ( the logic is the same for both kata ).
0.01 is too large. The default margin (1e-9) is more than enough. In small tasks like this, typical errors are 1e-14 - 1e-15.