Addition, Subtraction, Multiplication and Division

Co sign is adjacent over hypotanus, and tangent is opposite over ent. The length of that projection represents the correlation. If two vectors are at right angles, there is no projection of one vector on the other. And if they're right on top of each other, the projection is the full length of that Vector so just keeping that in mind too,. That this correlation also sents the length of a projection. Back in my day, we didn't have four those. Ilive it when people say, didn't use to teach chemistry, i'm like, yat, but there was only 18 elements. All right. Let's drag us kicking and screaming into third grade math.