2*Cos (x-√2)=0⇒Cos (x-√2)=0⇒x1-√2=π/2⇒x1=π/2+√2;
x2-√2=3*π/2⇒x2=3*π/2+√2.
ответ: x1=π/2+√2; x2=3*π/2+√2.
2*Cos (x-√2)=0⇒Cos (x-√2)=0⇒x1-√2=π/2⇒x1=π/2+√2;
x2-√2=3*π/2⇒x2=3*π/2+√2.
ответ: x1=π/2+√2; x2=3*π/2+√2.