For a given triangle, side y is measured as 10 cm, the horizontal side x as 20 cm and the included angle as 30o. There is an error of as much as 0.2 cm on each of the sides and 1o  in the included angle.  Use total differentials to estimate the error in the computed area of the triangle.

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Chapter65: Achievement Review—section Six
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For a given triangle, side y is measured as 10 cm, the horizontal side x as 20 cm and the included angle as 30o. There is an error of as much as 0.2 cm on each of the sides and 1o  in the included angle.  Use total differentials to estimate the error in the computed area of the triangle.

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