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Functions tan
Visual Studio 2012
template<class Type>
complex<Type> tan(
const complex<Type>& _ComplexNum
);
// complex_tan.cpp
// compile with: /EHsc
#include <vector>
#include <complex>
#include <iostream>
int main( )
{
using namespace std;
double pi = 3.14159265359;
complex <double> c1 ( 3.0 , 4.0 );
cout << "Complex number c1 = " << c1 << endl;
// Values of cosine of a complex number c1
complex <double> c2 = tan ( c1 );
cout << "Complex number c2 = tan ( c1 ) = " << c2 << endl;
double absc2 = abs ( c2 );
double argc2 = arg ( c2 );
cout << "The modulus of c2 is: " << absc2 << endl;
cout << "The argument of c2 is: "<< argc2 << " radians, which is "
<< argc2 * 180 / pi << " degrees." << endl << endl;
// Hyperbolic tangent of the standard angles
// in the first two quadrants of the complex plane
vector <complex <double> > v1;
vector <complex <double> >::iterator Iter1;
complex <double> vc1 ( polar ( 1.0, pi / 6 ) );
v1.push_back( tan ( vc1 ) );
complex <double> vc2 ( polar ( 1.0, pi / 3 ) );
v1.push_back( tan ( vc2 ) );
complex <double> vc3 ( polar ( 1.0, pi / 2 ) );
v1.push_back( tan ( vc3) );
complex <double> vc4 ( polar ( 1.0, 2 * pi / 3 ) );
v1.push_back( tan ( vc4 ) );
complex <double> vc5 ( polar ( 1.0, 5 * pi / 6 ) );
v1.push_back( tan ( vc5 ) );
complex <double> vc6 ( polar ( 1.0, pi ) );
v1.push_back( tan ( vc6 ) );
cout << "The complex components tan (vci), where abs (vci) = 1"
<< "\n& arg (vci) = i * pi / 6 of the vector v1 are:\n" ;
for ( Iter1 = v1.begin() ; Iter1 != v1.end() ; Iter1++ )
cout << *Iter1 << endl;
}
Le nombre complexe c1 = (3,4) nombre complexe C2 tan = (c1) = (- 0,000187346, 0,999356) le modulo de C2 est : 0,999356 L'argument de C2 est : 1,57098 radians, qui est de 90,0107 degrés. Les composants complexes se bronzent (vci), où l'vci ABS () = 1 et l'arg (vci) = I * pi/6 du vecteur v1 sont : (0,713931, 0,85004) à (0,24356, 0,792403) (- 4.34302e-014,0.761594) (- 0,24356, 0,792403) (0,713931, 0,85004) à (1,55741 ), - 7.08476e-013)
