0,2

arcsin(sec(x)*sin(x))=x+3/3!*x^3+45/5!*x^5+1743/7!*x^7+133305/9!*x^9...

arccos(tan(x)) = Pi/2 - x - 3*x^3/3! - 45*x^5/5! - 1743*x^7/7! -...

Sequence in context: A144951 A079484 A012494 this_sequence A072503 A154242 A163002

Adjacent sequences: A012777 A012778 A012779 this_sequence A012781 A012782 A012783

nonn

Patrick Demichel (dml(AT)hpfrcu03.france.hp.com)