arctan(cos(x)*sin(x))=x-6/3!*x^3+120/5!*x^5-7056/7!*x^7+758400/9!*x^9...

A012475

arctan(cos(x)*sin(x))=x-6/3!*x^3+120/5!*x^5-7056/7!*x^7+758400/9!*x^9...

Terms

    a(0) =1a(1) =-6a(2) =120a(3) =-7056a(4) =758400a(5) =-130918656a(6) =33173038080

External references