Решите, 3sin x - 1 = 0 2cos -4x = 0 ^2sin(2x-п/4) = 1 sin 2/3 x = 1/2 cos 3x = ^1,1

1)3sin x=1
sin x=1/3
sin (п-х)=1/3
х=arcsin(1/3)+2 kп ,K€z
п-х=arcsin(1/3)+кп,k€z
x=arcsin(1/3)+kп,k€z
x=-arcsin(1/3)+kп,к€z
x=|arcsin(1/3)+п+kп,
|- arcsin(1/3)+kп