Function Cos(x)

# Cos

Cos(
x             ! (input) numerical expression
)


## Arguments

x

A scalar numerical expression in radians.

## Return Value

The Cos function returns the cosine of x in the range $$-1$$ to 1.

Note

The function Cos can be used in constraints of nonlinear mathematical programs.

The functions Sin, Tan, ArcCos. Arithmetic functions are discussed in full detail in Arithmetic Functions of the Language Reference.