Question

Решите неравенство 8sin3xcos3x≥2√3

Answer 1

4sin6x≥2√3
sin6x≥√3/2
π/3+2πn≤6x≤2π/3+2πn,n∈z
x∈[π/18+πn/3;π/9+πn/3,n∈z]