how-can-find-taylor-series-of-f-z-cot-z-when-z-5pi-

Question Number 147417 by tabata last updated on 20/Jul/21

h o w c a n f i n d t a y l o r s e r i e s o f f (z) = c o t (z) w h e n z = 5 π

Answered by mathmax by abdo last updated on 21/Jul/21

f (z) = \sum_{n = 0}^{\infty} \frac{f^{(n)} (5 π)}{n!} {(z - 5 π)}^{n}

f (z) = \frac{1}{tanz} \Rightarrow f (5 π) is not defined . .!