Returns the cosine of X. Sometimes useful to test the dynamic response of a system. COS is periodic on X in the range of 0 to 2π radians.
Units: | COS (dimensionless) --> dimensionless |
Examples
COS( 0.0 ) is equal to 1.0.
COS( p/2 ) is equal to 0.0.
Sample model: COS.mdl in FunctionExamples