Substitute the given arc for x into the first four terms of the right side of the appropri...

Substitute the given arc for x into the first four terms of the right side of the appropriate equation on the previous page given for cos x and sin x and, with the help of a calculator, =| find the sum of the four terms. Next, use the calculator cosine or sine key to find the required |. functional value. Is your answer for the sum of the four terms fairly close to the calculator ^ functional value? If they are significantly different, how could we make the values closer?

a. cos 0.1

b.