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Evaluate the Function $f ( x ) = \cos x$ By a Taylor Polynomial of Degree

Question 111

Multiple Choice

Evaluate the function $f ( x ) = \cos x$ by a Taylor polynomial of degree $4$ centered at $a = 0$ , and $x = \frac { \pi } { 4 }$ .

A) $0.7074$
B) $4.2074$
C) $3.2074$
D) $2.2074$
E) $1.2074$

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