Fundamental data science question — Why |a||b|cos(x)=x1y1+x2y2?
Fundamental data science question — Why |a||b|cos(x)=x1y1+x2y2?
Sep 10, 2023, 2:22pm UTC
https://iorilan.medium.com/fundamental-data-science-question-why-a-b-cos-x-x1y1-x2y2-d9c45961c26c