Difference between revisions of "cpp/numeric/math/cos"
From cppreference.com
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===Parameters=== | ===Parameters=== | ||
{{par begin}} | {{par begin}} | ||
| − | {{par | arg | | + | {{par | arg | value representing angle in radians, of a floating-point or [[cpp/types/is_integral|Integral type]]}} |
{{par end}} | {{par end}} | ||
Revision as of 08:32, 23 January 2014
| 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 ); |
(since C++11) | |
Computes cosine of arg.
Parameters
| arg | - | value representing angle in radians, of a floating-point or Integral type |
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
| (C++11)(C++11) |
computes sine (sin(x)) (function) |
| (C++11)(C++11) |
computes tangent (tan(x)) (function) |
| (C++11)(C++11) |
computes arc cosine (arccos(x)) (function) |
| computes cosine of a complex number (cos(z)) (function template) | |
| applies the function std::cos to each element of valarray (function template) | |
| C documentation for cos
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