Problem 1.   Boas Problem #6, Ch.12.6, page 577. 

Problem 2.   Boas Problem #5, Ch.12.7, page 578.

Problem 3.   Boas Problem #2, Ch.12.8, page 580.

Problem 4.   Boas Problem #1, Ch.12.9, page 581. Keep the first nine terms in the series and plot the result on top of the original function. How good is the fit?

Problem 5.   Boas Problem #15, Ch.12.9, page 582. Plot the polynomial approximation on top of the original function. How good is the fit?

Problem 6.   Boas Problem #2, Ch.12.10, page 584.