std::acos(std::complex)

Defined in header `<complex>`
template< class T > complex<T> acos( const complex<T>& z );		(since C++11)

Computes complex arc cosine of a complex value z. Branch cut exists outside the interval $[-1 ; +1]$ along the real axis.

z

-

complex value

Complex arc cosine of z in the range $[0 ; \infty)$ along the real axis and in the range $[- i π ; i π]$ along the imaginary axis.

asin(std::complex) (C++11)	computes arc sine of a complex number ( $arcsin(z)$ ) (function template)
atan(std::complex) (C++11)	computes arc tangent of a complex number ( $arctan(z)$ ) (function template)
cos(std::complex)	computes cosine of a complex number ( $cos(z)$ ) (function template)
acos	computes arc cosine ( $arccos(x)$ ) (function)
acos(std::valarray)	applies the function std::acos to each element of valarray (function template)
C documentation for cacos

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