The
cos() is an inbuilt function in
Ruby returns the cosine value of a given angle expressed in radians which is in range
[-inf, +inf]. The returned value is in range
[-1, +1].
Syntax: Math.cos(value)
Parameters: The function accepts one mandatory parameter value whose corresponding cosine value is returned.
Return Value: It returns the cosine value.
Example 1:
Output:
0.5403023058681398
0.8775825618903728
0.5403023058681398
0.6216099682706644
Example 2:
Output:
-0.577002178942952
0.4948722204034305
-0.37447564566939956
-0.40075875500376773
Reference:
https://devdocs.io/ruby~2.5/math#method-c-cos
