The
atan() function is defined in
valarray header file. This function is used to calculate arc tangent of the value of each element in valarray and returns a valarray containing the arc tangent of all the elements.
Syntax:
atan(varr);
Parameter: This function takes a mandatory parameter
varr which represents valarray.
Returns: This function returns a valarray containing the arc tangent of all the elements.
Below programs illustrate the above function:
Example 1:-
Output:
The new valarray with manipulated values is :
0 0.244979 0.463648 0.643501 0.785398
Example 2:-