cos
From cppreference.com
Defined in header <math.h>
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float cosf( float arg );
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(since C99) | |
double cos( double arg );
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long double cosl( long double arg );
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(since C99) | |
Computes cosine of arg
[edit] Parameters
arg | - | floating point value representing angle in radians |
[edit] 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.
[edit] See also
computes sine (sin(x)) (function) |
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computes tangent (tan(x)) (function) |
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computes arc cosine (arccos(x)) (function) |