std::cos

 

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Defined in header <cmath>

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float       cos( float arg );

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double      cos( double arg );

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long double cos( long double arg );

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double      cos( Integral arg );

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Computes cosine of arg

Parameters

arg

-

floating point value representing angle in radians

Return value

cosine of arg in the range [-1.0 ; 1.0].

Domain error occurs if arg is infinite. NAN is returned in that case.

See also

Template:cpp/numeric/math/dcl list sinTemplate:cpp/numeric/math/dcl list tanTemplate:cpp/numeric/math/dcl list acosTemplate:cpp/numeric/complex/dcl list cosTemplate:cpp/numeric/valarray/dcl list cos