Finding coordinates of vertices of polygons. can someone me ? what’s e and f ?

(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.

Find the area of the triangle shown 3 by 6

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?