Question

Решите уравнение sinx-√2/2=0.
1) π/4+2πn,n∈Z; 3) π/4+πn,n∈Z;
2) (-1)^π π/4+πn,n∈Z; 4) ∓π/4+2πn,n∈Z.

Answer 1

$sinx=\frac{\sqrt2}{2}\\\\x=(-1)^{n}\frac{\pi}{4}+\pi n,\; n\in Z$