#include <math.h>float cosf(float arg);double cos(double arg); long double cosl(long double arg);

cosf( ) and cosl( ) were added by C99.

The cos( ) family of functions returns the cosine of arg. The value of arg must be in radians.

Related functions are asin( ), acos( ), atan2( ), atan( ), tan( ), sin( ), sinh( ), cosh( ), and tanh( ).

C(s)C++ Programmer's Reference
C Programming on the IBM PC (C Programmers Reference Guide Series)
ISBN: 0673462897
EAN: 2147483647
Year: 2002
Pages: 539 © 2008-2017.
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