g77.info: Cos Intrinsic

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Cos Intrinsic

Cos(X)

Cos: `REAL' or `COMPLEX' function, the exact type being that of
argument X.

X: `REAL' or `COMPLEX'; scalar; INTENT(IN).

Intrinsic groups: (standard FORTRAN 77).

Description:

   Returns the cosine of X, an angle measured in radians.

   *Note ACos Intrinsic::, for the inverse of this function.