Posted by **Becky** on Friday, November 9, 2012 at 5:08pm.

Use Green's Theorem to evaluate

F · dr.

C

(Check the orientation of the curve before applying the theorem.)

F(x, y) =

y cos x − xy sin x, xy + x cos x

, C is the triangle from (0, 0) to (0, 12) to (3, 0) to (0, 0)

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