#include<stdio.h>
#include<math.h>


float angle, my_func1(void), my_func2(void), my_func3(void), my_func4(void);


main()

{

  
  printf("Enter Value in Degrees: ");
  scanf("%f", &angle);

  printf("Degrees: %f \n", angle);
  printf("Radians: %f \n", my_func1());
  printf("sin: %f \n", my_func2());
  printf("cos: %f \n", my_func3());
  printf("tan: %f \n", my_func4());

return(0);
}


float my_func1(void)
{
  
	return angle*M_PI/180;
}


float my_func2(void)
{
  return sin (angle) ;
}
 


float my_func3(void)
{
  return cos (angle) ;
}


float my_func4(void)
{

  return tan (angle) ;
}

  angle = my_func1(angle);
  printf("Radians: %f \n", angle);
  printf("sin: %f \n", my_func2(angle));

float my_func1(float angle)
{
	return angle*M_PI/180;
}


float my_func2(float angle)
{
  return sin (angle) ;
}

/*code to pass a pointer to a function which will calculate the */
/*sin, cos, and tan of an angle*/
#include<stdio.h>

#include<math.h>


void three_values(void *angle);

int main()
{  
	/*declare a variable to hold the angle value*/
	float ang;

	/*declare and initialize a pointer*/
	void *angle = &ang;

	printf("Enter the angle:\n");

	scanf("%f", &ang);

	three_values(angle);

	return 0;
}

void three_values(void *angle)
{
        int i;

	for(i = 1; i < 4; i++){

 	if(i == 1){
		printf("cos = %f\n", cos(*(float *)angle));}

	else if(i == 2){
		printf("sin = %f\n", sin(*(float *)angle));}

	else if(i == 3){
		printf("tan = %f\n", tan(*(float *)angle));}

	

	}
}

#include<stdio.h>
#include<math.h>

void my_func(float ang,float* r, float* s, float* c, float* t)
{
    *r=ang*M_PI/180;
    *s=sin(*r);
    *c=cos(*r);
    *t=tan(*r);
}

main()

{
  float angle,radians,sinang,cosang,tanang;
  printf("Enter Value in Degrees: ");
  scanf("%f", &angle);
  my_func(angle,&radians,&sinang,&cosang,&tanang);
  printf("\nDegrees: %f \n", angle);
  printf("Radians: %f \n", radians);
  printf("Sin: %f \n", sinang);
  printf("Cos: %f \n", cosang);
  printf("Tan: %f \n", tanang);

return(0);
}