Cos( п-t)-sin(п/2+t)>1

РешениеCos( п-t)-sin(п/2+t)>1- cost - cost > 1cost < - 1/2arccos(-1/2) + 2πn < t < 2π - arccos(-1/2) + 2πn, n∈Z2π/3 + 2πn < t < 2π - π/3 + 2πn, n∈Z2π/3 + 2πn < t < 4π/3 + 2πn, n∈Z