Write a while loop in C++

B) Write a C++ program using a while loop to calculate the value of /2 accurate to 6 digits after the decimal point using the following series: 1 12 1 2 3 Display the following and turn in printouts of the program and the results. The number of terms needed to find 2 The value of /2 usingacos)2 using 10 digits after the decimal point. The value of 2 found with the series using 10 digits after the decimal point (the first 6 digits after the decimal point should match the value above)