Question

Решите неравенство 2sin(x-пи/8)>1

Answer 1

sin(x-π/8)>1/2
π/6+2πn<x-π/8<5π/6+2πn
π/8+π/6+2πn<x<π/8+5π/6+2πn
7π/24+2πn<x<19π/24+2πn
x∈(7π/24+2πn;19π/24+2πn)