//a program to demonstrate functions and for loop

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

void func(double x);		/*prototype*/

main()
{
	double n;
	for (n=0; n<10; n=n+0.01){
		func(n);
	}
}


/*given a double precision real number the function returns statment
lettting the user know if it is 1*/

void func(double x){

	double z;
	z=pow(sin(x),2)+pow(cos(x),2);
	if(z<1) {
	printf("z is less than 1\n");
	}
	else if(z>1){
	printf("z is greater than 1\n");
	}
	else{
	printf("z=1\n");
	}

}