By using c++ programming

3.3 Task Three: Use a do-while loop and the following formula to calculate the value of Analyze: The first approximation start from 4.0 - A more precise approximation done by add an item that is 1.0/add item The sign of the added item is changed to its opposite after each addition The added item item is incremented by 2 after each addition It terminates when the approximation doesn't change too much between additions Procedure: define variables: pi, add item, precision, sign initialize variables use proper loop to calculate the sequence precision-1.0e-6 pi +4.0*sign*1.0/add item; sign1.0; add item+-2.0 print out the result of