sin(π√(x-2))sin(π√(x+2))=-1

1.sinП√x-2=-1 π√x-2=-π/2√x-2=-π/2/π√x-2=-1/2x-2=1/4x=1/4+2x=9/42.sinπ√x+2=-1π√x+2=-π/2√x+2=-1/2x+2=1/4x=1/4-2x=-7/4