1) 4arcsin(sin(1/2)) = 4(1/2) = 22) arcsin(sin(6π/7)) = 6π/73) arcsin(sin(5)) = arcsin(sin(π)) = π4) 7arcsin(sin(π/7)) = 7(π/7) = π
(sin, a) = a, значит arcsin(a) = a.
1) 4arcsin(sin(1/2)) = 4(1/2) = 2
2) arcsin(sin(6π/7)) = 6π/7
3) arcsin(sin(5)) = arcsin(sin(π)) = π
4) 7arcsin(sin(π/7)) = 7(π/7) = π
(sin, a) = a, значит arcsin(a) = a.