Question

найти arcsin(cos(6))

Answer 1

Если 0 < x < 90°, arcsin(cos(x)) = 90° - x.

cos(x) = sin(90° - x) ==> arcsin(cos(x)) = arcsin(sin(90° - x)) = 90° - x

-90° < 90° - x < 90°.

Answer 2

arcsin(cos6)=?