The accompanying figure shows four regions bounded by the graph of y = x sin x: R₁, R₂, R₃, and R₄, whose areas are 1, π - 1, π + 1, and 2π - 1, respectively. Use this information to evaluate the following integrals.

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УА Area = 1 Area = T + 1 y = x sin x R2 R1 3п х п 2т TT 2 R3 -2 R4 Area = T Area — 2 т — 1 -4 2. 2T x sin x dx