What does cosine mean?
A trigonometric ratio of the ratio of the length of the side adjacent to an angle to the length of the hypotenuse in a right-angled triangle. In mathematics, it is used to describe the similarity between two vectors.
Example
"The cosine function is used to calculate the angle between two vectors in a three-dimensional space."
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.