C Tutorial/math.h/sin
sin
Item Value Header file math.h Declaration float sinf(float arg);double sin(double arg);long double sinl(long double arg); Return returns the sine of arg. Parameter The value of arg must be in radians.
<source lang="cpp">#include <math.h>
#include <stdio.h> int main(void) { double val = -1.0; do { printf("Sine of %f is %f.\n", val, sin(val)); val += 0.1; } while(val<=1.0); return 0; }</source>