Re:California moves to recommend delaying algebra to 9th gra...
by cik on Wednesday November 24, 2021 @05:36AM
(#29328668)
Agreed - associative properties aren't solely basic algebra, but that is how they're (mostly) thought of in the early years. I'd argue a step further that commutative properties have a direct link to other subject, and aren't strictly algebra either. However, neither of these change the point I made.
It's spelled "SINE, COSINE, and TANGENT".