sin() function for complex number in C++ with Examples

The sin() function for complex number is defined in the complex header file.This function is the complex version of the sin() function. This function is used to calculate the complex sine of complex number z. This function returns the sine of complex number z.

Syntax:

sin (z);

Parameter:

  • z: This method takes a mandatory parameter z which represents the complex number.

Return value: This function returns the sin() of complex number z.

Below programs illustrate the sin() function in C++:

Program 1:-

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// C++ program to demonstrate
// example of sin() function
// for Complex numbers
   
#include <iostream>
#include <complex>
using namespace std;
   
int main ()
{
  complex<double> complexnumber (0.0, 1.0);
   
   
  // use of sin() function for complex number
  cout << "The sin of " << complexnumber << " is "
                     << sin(complexnumber) <<endl;
   
   
  return 0;
}

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Output:

The sin of (0,1) is (0,1.1752)

Program 2:-

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// C++ program to demonstrate
// example of sin() function
// for Complex numbers
   
#include <iostream>
#include <complex>
using namespace std;
   
int main ()
{
  complex<double> complexnumber (1.0, 0.0);
   
   
  // use of sin() function for complex number
  cout << "The sin of " << complexnumber << " is "
                     << sin(complexnumber) <<endl;
   
   
  return 0;
}

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Output:

The sin of (1,0) is (0.841471,0)


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