Thread: how do i find the error in power series

i noe that
arctanx= x - 1/3x^3 + 1/5x^5 - 1/7x^7 + 1/9x^9, using the taylor series
and when i put x =1 i get 3.33968, but how do i find the error

Originally Posted by newkidz

i noe that
arctanx= x - 1/3x^3 + 1/5x^5 - 1/7x^7 + 1/9x^9, using the taylor series
and when i put x =1 i get 3.33968, but how do i find the error

repost of an assessment question from an earlier thread.