docs-v2/content/influxdb/cloud/reference/flux/stdlib/math/cos.md

title	description	aliases	menu	weight
math.cos() function	The math.cos() function returns the cosine of the radian argument `x`.	/influxdb/cloud/reference/flux/functions/math/cos/	influxdb_cloud_ref name parent math.cos Math	301

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

Output data type: Float

import "math"

math.cos(x: 3.14)

// Returns -0.9999987317275396

Parameters

x

The value used in the operation.

Data type: Float

Special cases

math.cos(±Inf) // Returns NaN
math.cos(NaN)  // Returns NaN