# Reciprocal Identity of Cosine

Secant is the reciprocal identity of cosine function. Use the reciprocal identity calculator to find the cos function by giving the α value.

#### Reciprocal Identity of Cosine Calculator

### Reciprocal Identity of Cosine Formula :

cos (α)

= 1/sec (α)

Cosecant function is defined in terms of sine function and cotangent is defined in terms of tangent function, these are called as Reciprocal identities. This website provides reciprocal identity calculators of sine, cosine and tangent trigonometric functions.