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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