sin() and sinf()

#include <math.h>

  double sin(double x);

  

  float sinf(float x);

  

sin() computes the sine of x.

The sine sin(x) of x in radians.

asin() and asinf(),

acos() and acosf(),

atan() and atanf(),

atan2() and atan2f(),

cos() and cosf(), and

tan() and tanf()