atanh(): This function is available in the file math.h
The atanh() function takes a single argument and returns the arc hyperbolic tangent of that value in radians.
The atanh() function takes a single mandatory argument in the range [-1, 1].
Note: If the value is greater than 1 or less than -1, a domain error occurs.
Parameters: One parameter is required for this function.
__X: The value whose inverse hyperbolic tangent value is to be determined.
Syntax:
atanh(__X)
Example 1: In radians
Input: x = 0.45
Output: 0.4847
Example 2: In degrees
Input: x = 0.45
Output: 27.7854
Approach 1: In radians
C++
#include <bits/stdc++.h>using namespace std;int main(){double x = 0.45;cout << atanh(x);return 0;}
Approach 2: In degrees
C++
#include <bits/stdc++.h>using namespace std;int main(){double x = 0.45;double radian = atanh(x);double degrees = radian * 180 / 3.14;cout << degrees << "\n";return 0;}
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