It can be shown that 1 - x 2 /2 cos x 1, for x
Question:
It can be shown that 1 - x2/2 ≤ cos x ≤ 1, for x near 0.
a. Illustrate these inequalities with a graph.
b. Use these inequalities to evaluate limx→0 cos x.
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Related Book For
Calculus Early Transcendentals
ISBN: 978-0321947345
2nd edition
Authors: William L. Briggs, Lyle Cochran, Bernard Gillett
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