cos()

Read(2757) Label: cosine, radian, float,

Description:

Compute the cosine value.

Syntax:

cos(numberExp)

Note:

The function computes the cosine value.

Parameter:

numberExp

An angle’s value, which is measured in radians here.

Return value:

Float type

Example:

cos(pi())

-1.0

cos(pi(2))

1.0

Related function:

sin()

tan()