Answered: Java (coding) I need to 1) calculate y…

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Java (coding)

I need to 1) calculate y from radians x and 2) estimate area for sine wave using Riemann sums. This is my code so far and I am stuck. Please help.

public class calculations
{
//find y value based on equation
//double x: x-value that user entered and wants the correspoding y-value
//return: y-value of the inputed x-value.
public static double findYvalue (double x){
int sum = 0;
double y= Math.sqrt(1-(Math.pow(x,2)));
return y;
}

public static double riemannSum(double a, double b, double n){
double dx = (b - a) / n;
double sum = 0.0;

for (int i = 0; i < n; i++) {
double startX = a + (dx / 2.0) + i * dx;
sum = sum + (startX * startX - startX + 3);
}

return sum * dx;
}
}

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