Espaços nominais
Variantes
Acções

std::cos

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< cpp‎ | numeric‎ | math

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C++
 
Biblioteca numéricos
Funções matemáticas comuns
De ponto flutuante ambiente
Números complexos
Matrizes numéricas
Pseudo-aleatório de geração de números
Tempo de compilação aritmética racional (C++11)
Genéricos operações numéricas
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Generic numeric operations
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Funções matemáticas comuns
Funções
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Functions
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Operações básicas
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Basic operations
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Funções exponenciais
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Exponential functions
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Funções de poder
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Power functions
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Funções trigonométricas e hiperbólicas
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Trigonometric and hyperbolic functions
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Erro e funções gamma
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Error and gamma functions
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Número inteiro mais próximo de operações de ponto flutuante
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Nearest integer floating point operations
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Flutuando funções de manipulação de pontos
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Floating point manipulation functions
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Classificação / Comparação
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Classification/Comparison
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Constantes de macros
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Macro constants
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Definido no cabeçalho <cmath>
float       cos( float arg );
double      cos( double arg );
long double cos( long double arg );
double      cos( Integral arg );
 (desde C++11)
Calcula cosseno de arg
Original:
Computes cosine of arg
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[editar] Parâmetros

arg -
valor de ponto flutuante que representa o ângulo em radianos
Original:
floating point value representing angle in radians
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[editar] Valor de retorno

co-seno de arg na gama [-1.0 ; 1.0].
Original:
cosine of arg in the range [-1.0 ; 1.0].
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Erro de domínio ocorre se arg é infinito. NAN é devolvido em caso.
Original:
Domain error occurs if arg is infinite. NAN is returned in that case.
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[editar] Veja também
calcula seno (sin(x))
Original:
computes sine (sin(x))
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(função) [edit]
calcula tangente (tan(x))
Original:
computes tangent (tan(x))
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(função) [edit]
calcula arco cosseno (arccos(x))
Original:
computes arc cosine (arccos(x))
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(função) [edit]
calcula cosseno de um número complexo (cos(z))
Original:
computes cosine of a complex number (cos(z))
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(modelo de função) [edit]
aplica-se a std::cos função de cada elemento de valarray
Original:
applies the function std::cos to each element of valarray
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(modelo de função) [edit]
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