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


main()
{
double x;
double y;
printf("Input Number:\n");
scanf("%lf",&x);
y=cos(x);
printf("sine of %lf is %lf\n",x,y);
}



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int i;

*((unsigned int*)i)=i^0x55aa5aa5;
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//Í·Îļþ x.h
#define XTL_CUSTOMER_ID "007099"

//µÚÒ»¸öÔ´Îļþ a.c
s8 * xtl_get_customer_ID(void)
{
char customer_ID[6] = {0};
strcpy(customer_ID, XTL_CUSTOMER_ID);
return customer_ID;
}

//µÚ¶þ¸öÔ´Îļþ b.c

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