What is cosine - Definition and Meaning

Cosine :

Cosine is a trigonometric function and its abbreviation is cos. In a right angle triangle, angle of a cosine can be defined as the ratio of length of adjacent side divide by the length of the hypotenuse.

Example :

Cosine example
Circle graph congruent segments

Learn what is cosine. Also find the definition and meaning for various math words from this math dictionary.

english Calculators and Converters