If cos x is replaced by 1 - (x 2 /2) and |x| < 0.5, what estimate

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If cos x is replaced by 1 - (x2/2) and |x| < 0.5, what estimate can be made of the error? Does 1 - (x2/2) tend to be too large, or too small? Give reasons for your answer.

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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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