Taylor Series Problem

Write the Taylor series about x=0 for ([cos(X^3)]/x) and ([cos(7X)]/x^3)

I would like to see the step by step process for how this works.
I know the standard series for any variable of cos(x), but would like to understand how dividing by x changes the problem

keywords : find, finding, calculating, calculate, determine, determining, verify, verifying, evaluate, evaluating, calculate, calculating, prove, proving

© SolutionLibrary Inc. solutionlibary.com 9836dcf9d7 https://solutionlibrary.com/math/calculus-and-analysis/taylor-series-problem-3dua