When .5 and .5 combine additionally, you get one. You can say "they add to one".
When the sqr(2)/2 combines with another sqr(2)/2 in pythagoreans theory to get one, you can say they ____.
Fill in the blank please.
It's been bothering me that I can't have a word to describe this, because numbers that "add" in this way to have the unit vector length of one is important in vector math. I want to say they "add" to one, but they obviously don't add to one.