# Negative Angle Identities Calculator

The relationships between A and -A are the Negative Angle Identities. Cosine is an even trigonometric function where, a function is said to be an even function if for any number x, cos(-x) = cos(x). Calculate the negative angle identity of cosine using this online calculator.

#### Cosine of Negative Angle Calculation

### Negative Angle Identities Formula :

cos (-α)

= cos(α)

Negative Angle Identity shows whether each trigonometric functions is an odd or even function. Get to know the even-odd identities for all the trigonometric functions which helps you to simplify an expression.