find-the-taylor-series-f-z-cosz-z-pi-4-

Question Number 147635 by tabata last updated on 22/Jul/21

f i n d t h e t a y l o r s e r i e s f (z) = c o s z, z = \frac{π}{4}

Commented by mathmax by abdo last updated on 22/Jul/21

f (z) = \sum_{n = 0}^{\infty} \frac{{(- 1)}^{n}}{2 n!} {(z - \frac{π}{4})}^{2 n}

Commented by tabata last updated on 22/Jul/21

? ? ? ? ? ? ?

Commented by Sozan last updated on 22/Jul/21

t h a n k y o u m s r a b d o

Commented by Sozan last updated on 22/Jul/21

m s r i f t h e s e r i e s i s m a c l u r i e n t h e n

\underset{n = 0}{\sum^{\infty}} \frac{{(- 1)}^{n}}{2 n!} {(z)}^{2 n} i t s r i g h t o r f a l s e ?

Commented by mathmax by abdo last updated on 23/Jul/21

this is maclaurin serie at z = 0 \dots