Expansion of tan(sin(x))*cos(x).

A009662

Expansion of tan(sin(x))*cos(x).

Terms

    a(0) =1a(1) =-2a(2) =-8a(3) =-16a(4) =2304a(5) =68352a(6) =-843776a(7) =-221382656a(8) =-9865887744a(9) =888186732544

External references