Question

obtain maclaurin's expansion of f(x)=x/sinx if x not = 0.
f(x) = 1 if x=0. obtain upto 3rd degree terms.......

Answer 1

I googled your, questions are you in IIT?

Answer 2

IIT KGP

Answer 3

\[\large Maclaurin\ Series = \sum_{n=0}^\infty \frac{f^{(n)}(0)}{n!}x^n \]

Answer 4

so you need to take 2 derivatives of the x/sinx function.