luc008.c (785B)
1 /* If value of an angle is input through the keyboard, 2 write a program to print all its trigonometric ratios. */ 3 /* Let Us C, Chap - 2, Page - 37, Qn No.: G(e) */ 4 5 #include <stdio.h> 6 #include <math.h> 7 int main() 8 { 9 double inp, rsin, rcos, rtan, rcosec, rsec, rcot; 10 printf("Enter the Angle in degree : "); 11 scanf("%lf", &inp); 12 inp = inp * (M_PI / 180); //changing degree to radian 13 rsin = sin(inp); 14 rcos = cos(inp); 15 rtan = tan(inp); 16 rcosec = 1 / rsin; 17 rsec = 1 / rcos; 18 rcot = 1 / rtan; 19 printf("\nTrigonometric ratios :-" 20 "\nsin = %g " 21 "\ncos = %g" 22 "\ntan = %g" 23 "\ncosec = %g" 24 "\nsec = %g" 25 "\ncot = %g", 26 rsin, rcos, rtan, rcosec, rsec, rcot); 27 return 0; 28 }