Решить неравенство корень из 3/2cosx+1/2sinx<=корень из 2/2
√3/2cosx+1/2sinx≤√2/2 cosπ/6cosx+sinπ/6sinx≤√2/2 cos(π/6-x)≤√2/2 π/4+2πn≤π/6-x≤7π/4+2πn π/12+2πn≤-x≤19π/12+2πn -19π/12-2πn≤x≤-π/12-2πn Ответ: [-19π/12-2πn;-π/12-2πn]