day 5 assigment

#include <stdio.h>

#include <math.h>

int main(void)

{

/*Declare variables.*/

double x, t_a, t_b, a, b, f_a, f_b, t_c, f_1, f_2,

t, steps, max, sum, ti, ws1, ws2, Pi= 3.14159, min;

/* User input.*/

printf("Use seconds for period. \n");

printf("Use feet for wave height. \n");

printf("Enter period and wave height for wave 1. \n");

scanf("%lf %lf", &t_a, &a);

printf("Enter period and wave height for wave. \n");

scanf("%lf %lf", &t_b, &b);

printf("Enter desired time. \n");

scanf("%lf", &x);

//* Use given equation to compute wavelength 1

f_a = 5.13*(t_a*t_a);

//* Use given equation to compute wavelength 2

f_b = 5.13*(t_b*t_b);

/* Print Wavelength 1. */

printf("Wavelength 1 in ft: %4.2f \n", f_a);

/* Print Wavelength 2. */

printf("Wavelength 2 in ft: %4.2f \n", f_b);

t_c = t_a*t_b;

ti = t_c/200;

max = 0;

ti = 0;

f_1 = 1/t_a;

f_2 = 1/t_b;

steps = 0;

while (steps <= 199){

t = (steps*x);

ws1 = (0.5 * a)*(sin(2 * Pi * f_1 * t));

ws2 = (0.5 * b)*(sin(2 * Pi * f_2 * t));

sum = ws1 + ws2;

if (sum > max)

max = sum;

if (sum < min)

min = sum;

steps++;}

printf("Wavemax in ft: %4.2f \n",max*2);

printf("maximum crest in ft: %4.2f \n", max);

printf("minimum trough in ft: %4.2f \n", min);

return 0;

}