cos()
Returns the cosine of the specified angle.
Syntax
cos(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 cos=cos(0) => 1
json "{}" | eval cos=cos(30 * 3.14 / 180) => 0.866158094405463
json "{}" | eval cos=cos(60 * 3.14 / 180) => 0.5004596890082058
json "{}" | eval cos=cos(90 * 3.14 / 180) => 0.0007963267107332633
json "{}" | eval cos=cos("0") => null