Question

How to use cosh() function to get the hyperbolic cosine of N radians in C++

Answer 1

#include <iostream>
#include <cmath>

using namespace std;

int main()
{
	cout << "cosh(-1) = " << cosh(-1) << endl;
	cout << "cosh(1) = " << cosh(1) << endl;
	cout << "cosh(0) = " << cosh(0) << endl;
	cout << "cosh(-0) = " << cosh(-0) << endl;
	cout << "cosh(0.9) = " << cosh(0.9) << endl;
	cout << "cosh(3.141593 / 3) = " << cosh(3.141593 / 3) << endl;
	cout << "cosh(3.141593 / 2) = " << cosh(3.141593 / 2) << endl;

	return 0;
}


/*
run:

cosh(-1) = 1.54308
cosh(1) = 1.54308
cosh(0) = 1
cosh(-0) = 1
cosh(0.9) = 1.43309
cosh(3.141593 / 3) = 1.60029
cosh(3.141593 / 2) = 2.50918

*/

 

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