tan()
Returns the tangent of the specified angle.
Syntax
tan(RADIAN_EXPR)
Required Parameter
RADIAN_EXPR
- Radian expression. This function returns
null
when it receives an argument value that is not a number.
Usage
json "{}" | eval tan=tan(0) => 0
json "{}" | eval tan=tan(30 * 3.14 / 180) => 0.5769964003928729
json "{}" | eval tan=tan(60 * 3.14 / 180) => 1.7299292200897902
json "{}" | eval tan=tan("0") => null