Sin x менше -2/2 срочно пж
Sinx < -√2/2 - π - arcsin(-√2/2) + 2πn < x < arcsin(-√2/2) + 2πn, n∈Z - π + π/4 + 2πn < x < -π/4 + 2πn, n∈Z - (3π/4) + 2πn < x < -π/4 + 2πn, n∈Z