sin : sin « math.h « C Tutorial





ItemValue
Header filemath.h
Declarationfloat sinf(float arg);
double sin(double arg);
long double sinl(long double arg);
Returnreturns the sine of arg.
ParameterThe value of arg must be in radians.


#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;
  }
Sine of -1.000000 is -0.841471.
Sine of -0.900000 is -0.783327.
Sine of -0.800000 is -0.717356.
Sine of -0.700000 is -0.644218.
Sine of -0.600000 is -0.564642.
Sine of -0.500000 is -0.479426.
Sine of -0.400000 is -0.389418.
Sine of -0.300000 is -0.295520.
Sine of -0.200000 is -0.198669.
Sine of -0.100000 is -0.099833.
Sine of 0.000000 is 0.000000.
Sine of 0.100000 is 0.099833.
Sine of 0.200000 is 0.198669.
Sine of 0.300000 is 0.295520.
Sine of 0.400000 is 0.389418.
Sine of 0.500000 is 0.479426.
Sine of 0.600000 is 0.564642.
Sine of 0.700000 is 0.644218.
Sine of 0.800000 is 0.717356.
Sine of 0.900000 is 0.783327.
Sine of 1.000000 is 0.841471.










19.64.sin
19.64.1.sin