Scalar FunctionsMath FunctionscosCopy MarkdownReturns the cosine of the input angle in radians.Syntax cos(x) Parameters PropTypexnumeric Returns: real Examples Example 1 print cos(0) print_0 (real)1.0ceilingCalculates the smallest integer greater than, or equal to, the specified numeric expression.cotReturns the cotangent of the input angle in radians.