(Right angle) Trigonometry Help me find the X value please! Explain what you did to get the answer aswell

(40 points) i need some . an answer definition is appreciated as well.

(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.

Pick the description of a geometric object that best matches the real world object box for a deck of card