Documentation

math.cos() function

math.cos() returns the cosine of the radian argument x.

Function type signature
(x: float) => float
For more information, see Function type signatures.

Parameters

x

(Required) Value to operate on.

Examples

Use math.cos in map

import "math"
import "sampledata"

sampledata.float()
    |> map(fn: (r) => ({_time: r._time, _value: math.cos(x: r._value)}))

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