How close is the approximation cosx=1- 4 +
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:How close is the approximation cosx=1-
1-
21
X
<cos x?
How close is the approximation?
O A. Error <1.39×10-13
OC. Error <1.67×10
15
NX
X
+ when x < 102 For which of these values of x is
21
13
OB. Error <1.67x10
OD. Error <1.39×10 15
7
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