Find Fourier series F(x) = cos ² x Find aora, az [0,1]

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.3: The Addition And Subtraction Formulas
Problem 71E
icon
Related questions
Question

Please answer fast I'll rate you sure 

find the fourier series
Find Fourier series
F(x) = cos ² x
Find apra, az
Fourier Series:
f(x)= a₁ + a, cos
ηπχ
+ Σa, cos (EX) + b sin (TX)
L
L
n=1
Fourier series Coefficients:
=
[0,1]
1 CL
2LJ-L
nTX
an
= = -√²₁, S(x) cos(" dx (n=1,2,...)
L
L
f(x) dx
1
== S(x) sin(x) dx (n=1,2,..)
[
L-L
L
Transcribed Image Text:find the fourier series Find Fourier series F(x) = cos ² x Find apra, az Fourier Series: f(x)= a₁ + a, cos ηπχ + Σa, cos (EX) + b sin (TX) L L n=1 Fourier series Coefficients: = [0,1] 1 CL 2LJ-L nTX an = = -√²₁, S(x) cos(" dx (n=1,2,...) L L f(x) dx 1 == S(x) sin(x) dx (n=1,2,..) [ L-L L
Expert Solution
steps

Step by step

Solved in 4 steps with 4 images

Blurred answer
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage