1. Use multiplication or division of power series to find the first 3 nonzero terms in the Maclaurin series of the function x/sinx.
2. the maclaurin series for sinx is \sum(-1)^{n}x^{2n+1}/(2n+1)!
3. I've tried to divide x/sinx substituting sinx for the maclaurin series but I seem...