Definition

A mathematical function that represents the ratio of the length of the adjacent side to the length of the opposite side in a right-angled triangle.

Example

In trigonometry, the cotan of an angle is used to find the ratio of the adjacent side to the opposite side.

Conversation

Have you ever heard of the term cotan?

Yeah, I think it's related to triangles, right?

Exactly! It's the ratio of the adjacent to the opposite side.

Got it! That makes it easier to understand trigonometry.

Synonyms & Antonyms

Root Explanation

The word 'cotan' originates from the Spanish word 'cotán', which refers to a type of fruit known as the medlar. The term is derived from the Arabic 'quṭān', meaning a type of fruit or tree. Therefore, 'cotan' refers specifically to this fruit.

Memory Tip

Think of the Spanish word 'cotán' for a specific fruit, which helps you remember that 'cotan' refers to a type of fruit.

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