Synonyms

Antonyms

Etymology

### 1. secant

**noun.** ratio of the hypotenuse to the adjacent side of a right-angled triangle.

#### Synonyms

- trigonometric function
- sec

#### Antonyms

- gooseneck
- closed curve
- extrados

#### Etymology

- secans (Latin)

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### 2. secant

**noun.** a straight line that intersects a curve at two or more points.

#### Antonyms

- quadric

#### Etymology

- secans (Latin)

### Example sentences of the word secant

1. **Noun, singular or mass**

Understand that to calculate **secant** you need only find the cosine of an angle and the relationship that exists between them.

2. **Adjective**

Pick a different pair of points on your curve and you can determine a new **secant** line.

3. **Verb, non-3rd person singular present**

Co**secant** is the reciprocal identity of sine, secant that of cosine and cotangent that of tangent.