Use Taylors formula to find a quadratic approximation of (x, y) = cos x cos y at

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Use Taylor’s formula to find a quadratic approximation of ƒ(x, y) = cos x cos y at the origin. Estimate the error in the approximation if |x| ≤ 0.1 and |y| ≤ 0.1.

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Thomas Calculus Early Transcendentals

ISBN: 9780321884077

13th Edition

Authors: Joel R Hass, Christopher E Heil, Maurice D Weir

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