# Derivative of cscx (or) cosecx formula

## Formula

$\large \dfrac{d}{dx} \, \csc{x} \,=\, -\csc{x}\cot{x}$

It is read as the derivative (or) differentiation of cosecant of angle $x$ with respect to $x$ is equal to product of cosecant and cotangent functions.

### Proof

Learn how to derive differentiation of $\csc{x}$ formula in calculus.