Definition:Cosecant/Real Function
< Definition:Cosecant(Redirected from Definition:Real Cosecant Function)
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Definition
Let $x \in \C$ be a real number.
The real function $\csc x$ is defined as:
- $\csc x = \dfrac 1 {\sin x}$
where $\sin x$ is the sine of $x$.
The definition is valid for all $x \in \R$ such that $\sin x \ne 0$.
Also denoted as
The cosecant function:
- $\csc$
can often be seen written as:
- $\cosec$