2 * sin(x- 3pi/2) + sqrt3 * sin2x = 0
2сosx+2√3sinnxcosx=0 2cosx(1+√3sinx)=0 cosx=0⇒x=π/2+πn sinx=-1/√3⇒x=(-1)^n+1 *arcsin1/√3+πn