Let S,,n=1,3,5,7,... and C,,n=0,2,4,... the individual Taylor polynomials for the functions sin x, cos x, and t x x + 3! 5! +(-1)**. (2k – 1)!' S,(x) = S2k-1 (x) = x– k=1,2,... and x² C,(x)=C2¼(x)=1- +(-1)* (2k)!' + k=0,1,2,... 2! 4! Show that the following inequalities are true: C,(x)>cos x for n even or 0 C, (x)

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 54E
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Let S,,n=1,3,5,7,... and C,,n=0,2,4,... the individual Taylor polynomials for the functions sin x, cos x, and thus
+(-1)** .
(2k – 1)!'
k+1
S,(x) = S2k-1 (x) =
k=1,2,...
X-
3!
5!
and
C, (x)=C2¾(x)=1–
x²
+
2!
x2k
+(-1) .
(2k)!'
k= 0,1,2,...
4!
Show that the following inequalities are true:
C, (x)>cos x for n even or 0
C,(x)<cos x for n odd,
Transcribed Image Text:Let S,,n=1,3,5,7,... and C,,n=0,2,4,... the individual Taylor polynomials for the functions sin x, cos x, and thus +(-1)** . (2k – 1)!' k+1 S,(x) = S2k-1 (x) = k=1,2,... X- 3! 5! and C, (x)=C2¾(x)=1– x² + 2! x2k +(-1) . (2k)!' k= 0,1,2,... 4! Show that the following inequalities are true: C, (x)>cos x for n even or 0 C,(x)<cos x for n odd,
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