Need help with this code I'm supposed to be getting (169.211) when i input 0.7

Question

#include<iostream>
#include<cmath>
#define R 10
#define R 10
#define Vt 120
#define P 260
#define Pf 0.6

using namespace std;
int main ()
{

cout<<"Enter power factor :";
double pf;
cin>>pf;

double Vs;
Vs = sqrt(pow(Vt + (2*R*P/Vt),2)) + pow((2*R*P)/(Pf*Vt),2) * (1-pow(Pf,2));
double vrms;
cout<<"Required supply voltage = "<<Vs<<vrms<<endl;
}

Answer 1

I put this into my calculator and got none of your values. I saw your not useing the pf variable only the #define Pf. Also why are you square rooting something squared just use abs() if you want it positive.

Answer 2

I think you have implemented the formula with incorrect variable. pf is your input variable and Pf is constant. check your formula and change as required.