Chapter 10.3, Problem 4E

a.

To determine

To find: the best order 2 least squares approximation to the data using the basic function $1\text{ ,}\cos \frac{\pi }{4}t,sin\frac{\pi }{4}tand\cos \frac{\pi }{4}t$

b.

To determine

To find: the best order 2 least squares approximation to the data using the basic function $1\text{ ,}\cos \frac{\pi }{4}t,sin\frac{\pi }{4}tand\cos \frac{\pi }{4}t$

c.

To determine

To find: the best order 2 least squares approximation to the data using the basic function $1\text{ ,}\cos \frac{\pi }{4}t,sin\frac{\pi }{4}tand\cos \frac{\pi }{4}t$

d.

To determine

To find: the best order 2 least squares approximation to the data using the basic function $1\text{ ,}\cos \frac{\pi }{4}t,sin\frac{\pi }{4}tand\cos \frac{\pi }{4}t$