I posted a answer here: Angles in three dimensional space
But in that post, the author is "unregistered". How can I specify that response as being posted by me?
I posted a answer here: Angles in three dimensional space
But in that post, the author is "unregistered". How can I specify that response as being posted by me?
Use https://tex.stackexchange.com/contact to contact the StackExchange staff: they can merge your accounts together.