Use the relationship
to find the first four nonzero terms in the Maclaurin's series for .
I don't have any idea on how to relate them together. thanks in advance.
With the information you gave us, we know that
A maclaurin series is
so what we're missing now are etc. witch is up to you do find!
Remember you only have to find the first 4 that are non equal to 0.
Hope that helped, if not let me know!