Cosine similarity

Cosine Similarity is a way to measure how similar two things are. It compares two things, like words or numbers, and gives a number from 0 to 1. The bigger the number, the more similar the two things are. To figure out the number, we use a special formula. We take the numbers or words and put them into the formula. It does some complicated math and then gives us a number between 0 and 1.