From place value relationships the 4s in 344 is?

41/2 - 1 1/3 what is the answer as a fraction?

(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.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth