Fortran Wiki
cos

Description

cos(x) computes the cosine of x.

Standard

FORTRAN 77 and later

Class

Elemental function

Syntax

result = cos(x)

Arguments

• x - The type shall be real or complex.

Return value

The return value is of the same type and kind as x. The real part of the result is in radians. If x is of the type real, the return value lies in the range $-1 \leq \cos (x) \leq 1$.

Example

program test_cos
  real :: x = 0.0
  x = cos(x)
end program test_cos

See also

acos, sin, tan