0,2

arcsinh(cos(x)*tan(x))=x-2/3!*x^3+20/5!*x^5-632/7!*x^7+39440/9!*x^9...

arcsin(sinh(x)) = x + 2*x^3/3! + 20*x^5/5! + 620*x^7/7! +...

arccosh(sin(x)) = Pi/2 - x + 2*x^3/3! - 20*x^5/5! + 620*x^7/7! -...

Cf. A101922.

Sequence in context: A009182 A015207 A054941 this_sequence A013148 A006547 A135757

Adjacent sequences: A012492 A012493 A012494 this_sequence A012496 A012497 A012498

sign

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