Returns the cosine of a complex number. 複製 template<class Type> complex<Type> cos( const complex<Type>& _ComplexNum ); Parameters _ComplexNum The complex number whose cosine is being determined. Return Value The complex number that is the cosine of the input complex number. Remarks Ident...
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A complex number that represents the angle, in radians. Return value The cosine ofz, in radians. Remarks Because C++ allows overloading, you can call overloads ofccosthat take and return_Fcomplexand_Lcomplexvalues. In a C program,ccosalways takes and returns a_Dcomplexvalue. ...
化简√(8cos(π2))2+(sin(π2)⋅8)2π2。 点击获取更多步骤... cos(π2)的准确值为0。 r=(8⋅0)2+(sin(π2)⋅8)2 将8乘以0。 r=02+(sin(π2)⋅8)2 对0进行任意正数次方的运算均得到0。 r=0+(sin(π2)⋅8)2
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A complex number that represents the angle, in radians. Return value The cosine ofz, in radians. Remarks Because C++ allows overloading, you can call overloads ofccosthat take and return_Fcomplexand_Lcomplexvalues. In a C program,ccosalways takes and returns a_Dcomplexvalue. ...
Retrieves the cosine of a complex number.SyntaxC Kopija _Dcomplex ccos( _Dcomplex z ); _Fcomplex ccos( _Fcomplex z ); // C++ only _Lcomplex ccos( _Lcomplex z ); // C++ only _Fcomplex ccosf( _Fcomplex z ); _Lcomplex ccosl( _Lcomplex z ); ...
acosacosfacosl (C++11)(C++11) computes arc cosine (arccosxarccosx) (function) cos(std::complex) computes cosine of a complex number (coszcosz) (function template) cos(std::valarray) applies the functionstd::costo each element of valarray ...
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