Trigonometric Functions

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 //Triginometric Functions  
 //Downloaded from www.c4cprog.co.nr  
 #include<conio.h>  
 #include<math.h>  
 void main()  
 {  
      float x;  
      char t;  
 clrscr();  
 printf("Enter the Value of X\n");  
 scanf("%f",&x);  
 x=(x*3.14)/180;  
 printf("\n\nEnter \ns For finding sin(x)\nc For finding cos(x)\nt For finding tan(x)\n\n");  
 scanf(" %c",&t);  
 switch (t)  
 {  
 case 'S':  
 case 's':  
      printf("\nThe Value is = %f",sin(x));  
      break;  
 case 'C':  
 case 'c':  
 printf("\nThe Value is = %f",cos(x));  
 break;  
 case 'T':  
 case 't':  
 printf("\nThe Value is = %f",tan(x));  
 break;  
 default:  
 printf("\nInvalid Choice");  
 }  
 getch();  
 }