C++ Math cosh() Function

C++ Math cosh() Function with tutorial for beginners and professionals with examples on isgreaterequal(), less(), islessequal(), islessgreater(), isunordered(), exp(), frexp(), ldexp(), log(), log10(), modf(), exp2(), expm1(), log1p(), log2(), logb(), scalbn(), scalbln() etc.

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C++ Math cosh()

The function finds the hyperbolic cosine of an angle given in radian.

Mathematically,

coshx = e^x+ e^-x/2

Syntax

Suppose the hyperbolic angle is 'x':

float cosh(float x);
double cosh(double x);
long double cosh(long double x);
double cosh(integral x);

Parameter

x: The value of angle whose hyperbolic cosine is to be calculated.

Return value

It returns the hyperbolic cosine of angle given in radian.

Example 1

Let's see a simple example when the value of x is of integral type.

#include 
#include
using namespace std;
int main()
{
   int x=45;
   float radian=x*3.14/180;
   std::cout << "Value of degree is :" <

Output:

Value of degree is :45
cosh(radian): 1.32426

In this example, cosh() computes the hyperbolic cosine of an angle 45 and returns the value 1.324.

Example 2

Let's see another simple example.

#include 
#include
using namespace std;
int main()
{
   float x=25.5;
   float radian=x*3.14/180;
   std::cout << "Value of degree is: " << x<

Output:

Value of degree is: 25.5
cosh(radian): 1.10058

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