std::cosh

From Cppreference

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Defined in header <cmath>
float       cosh( float arg );
double      cosh( double arg );
long double cosh( long double arg );

Computes hyperbolic cosine of arg

[edit] Parameters

arg

-

floating point value

[edit] Return value

hyperbolic cosine of arg

[edit] See also

sinh	computes hyperbolic sine (sh(x)) (function)
tanh	hyperbolic tangent (function)
acosh (C++11)	hyperbolic arc cosine (function)
cosh(std::complex)	computes hyperbolic cosine of a complex number (ch(z)) (function template)
cosh(std::valarray)	applies the function std::cosh to each element of valarray (function template)