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std::acos

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Defined in header <cmath>
float       acos( float arg );
double      acos( double arg );
long double acos( long double arg );
double      acos( Integral arg );
 (desde C++11)
Calcula arco coseno de arg
Original:
Computes arc cosine of arg
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Contenido

[editar] Parámetros

arg -
flotando valor en puntos
Original:
floating point value
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[editar] Valor de retorno

Arco coseno de arg en radianes en el intervalo de radianes [0; π] .
Original:
Arc cosine of arg in radians in the range of [0; π] radians.
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Domain error se produce si arg está fuera del rango [-1.0; 1.0]. NAN se devuelve en ese caso .
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Domain error occurs if arg is outside the range [-1.0; 1.0]. NAN is returned in that case.
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[editar] Ejemplo

#include <cmath>
#include <iostream>
 
int main()
{
    std::cout << "The number pi is " << std::acos(-1) << '\n';
}

Output: 

The number pi is 3.14159

[editar] Ver también
calcula arcoseno (arcsin(x))
Original:
computes arc sine (arcsin(x))
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(función) [edit]
calcula arco tangente (arctan(x))
Original:
computes arc tangent (arctan(x))
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(función) [edit]
arco tangente, usando signos para determinar cuadrantes
Original:
arc tangent, using signs to determine quadrants
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(función) [edit]
calcula coseno (cos(x))
Original:
computes cosine (cos(x))
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(función) [edit]
(C++11)
calcula arco coseno de un número complejo (arccos(z))
Original:
computes arc cosine of a complex number (arccos(z))
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(función de plantilla) [edit]
se aplica la std::acos función a cada elemento de valarray
Original:
applies the function std::acos to each element of valarray
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(función de plantilla) [edit]
Obtenido de «http://es.cppreference.com/mwiki/index.php?title=cpp/numeric/math/acos&oldid=30298»