What is 8.63 as a mixed number in simplest form ?

(a) compute the maclaurin polynomial m2(x) for f(x) = cos x. (b) use the polynomial of part (a) to estimate cos π 12. (c) use a calculator to compute the error made using the estimate from part (b) for the value of cos π 12. remember that the error is defined to be the absolute value of the difference between the true value and the estimate.

Evaluate the following expression 1/3^2

Enter the number of complex zeros for the polynomial function f(x) = x 4+ 5x² +6