Trigonometry
Intermediate

Cosecant

Reciprocal of sine.

Formula

csc⁡θ=1sin⁡θ\csc\theta = \frac{1}{\sin\theta}

Variables

\thetaAngle

Example

csc 30° = 2

Did You Know?

Cosecant, the reciprocal of sine, shoots off to infinity at 0° — one reason it appears less often in practice.

cosecantreciprocal