circumference at latitude

closed account (4w7X92yv)
Dear

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#include <iostream>
#include <cmath>

using namespace std;

int main()                                                                      
{
    double straal;
    double omtrek;
    double cosinus;
    
    cosinus = (cos (51));
    straal = (40075 * cosinus);
    omtrek = (2 * 3.1415926535 * straal);
    
    cout << cosinus << endl;
    cout << straal << endl;
    cout << omtrek << endl;
      
system ("pause");
return 0;
}


I wrote the following code:

It should calculate the circumference at latitude but it does something wrong,
it outputs the wrong cosisnus, straal (radius) and omtrek (circumference).

What do i do wrong?
Please help me.

Best Regards
Joriek
Last edited on
Moschops (7244)
The cos function operates in radians.
closed account (4w7X92yv)
thanks
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