Use a power series to approximate the area of the region with an error of less than 0.0001. Use a graphing utility to verify the result. {Round your answer to four decimal places.) [1 cosh/E) 0')! CI .2 1 3 _1 n n+1 / msm'wgv 0.2 \":0 H J\"! = 0.5?34 ,3 Need Help