ƚ pU E .1  &@ & MathType-@b4Times New Roman Cyrgw | -2 0By2 ^By2 npAyTimes New Roman Cyrgw n - 2  sine2 nC1i 2 Nsine 2 nNsineSymbol }|w|wgw } -2 `=i & "Systemwf  -