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Consider the function f: R → R defined by f(x) = cos(x), where n is an even integer. It can be shown that any positive power of cos x can be expressed as a sum of multiples of terms of the form cos(kx), where the k are non-negative integers. Note that the term where k = 0 is the constant term. It can also be shown that any odd positive power of sin a can be expressed as a sum of multiples of terms of the form sin(kx), where the k are non-negative integers. (a) What is the constant term in the expansion of f(x) described above? & A Syntax advice: Remember to use correct Maple syntax. For example, • the factorial n! may be written as n! or factorial (n) the binomial coefficient (R) • the term a* is written a^x may be written as binomial (n,k) (b) Now, consider the function g: R → R defined by g(x) = sin 975 (x)f(x). Briefly explain in words why g(x) may be written as a sum of multiples of terms of the form sin(kx), where k are non-negative integers.

Consider the function f: R → R defined by f(x) = cos(x), where n is an even integer. It can be shown that any positive power of cos x can be expressed as a sum of multiples of terms of the form cos(kx), where the k are non-negative integers. Note that the term where k = 0 is the constant term. It can also be shown that any odd positive power of sin a can be expressed as a sum of multiples of terms of the form sin(kx), where the k are non-negative integers. (a) What is the constant term in the expansion of f(x) described above? & A Syntax advice: Remember to use correct Maple syntax. For example, • the factorial n! may be written as n! or factorial (n) the binomial coefficient (R) • the term a* is written a^x may be written as binomial (n,k) (b) Now, consider the function g: R → R defined by g(x) = sin 975 (x)f(x). Briefly explain in words why g(x) may be written as a sum of multiples of terms of the form sin(kx), where k are non-negative integers.

Advanced Engineering Mathematics
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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Consider the function f : R → R defined by f(x) cos(x), where n is an even integer. It can be shown that any positive power of cos x can be expressed as a sum of multiples of terms of the form cos(kx), where the k are non-negative integers. Note that the term where k = 0 is the constant term. It can also be shown that any odd positive power of sin x can be expressed as a sum of multiples of terms of the form sin(kx), where the k are non-negative integers. (a) What is the constant term in the expansion of f(x) described above? Syntax advice: Remember to use correct Maple syntax. For example, • the factorial n! may be written as n! or factorial (n) (2) • the term a is written a^x • the binomial coefficient may be written as binomial (n,k) (b) Now, consider the function g: R → R defined by g(x) = sin 975 (x) f(x). Briefly explain in words why g(x) may be written as a sum of multiples of terms of the form sin(kx), where k are non-negative integers. Essay box advice: In your explanation, you don't need to use exact Maple syntax or use the equation editor, as long as your expressions are sufficiently clear for the reader. 975 For example, you can write sin(kx) as 'sin(kx)', and sin '(x)f(x) as 'sin^975(x) f(x)'.
Transcribed Image Text:Consider the function f : R → R defined by f(x) cos(x), where n is an even integer. It can be shown that any positive power of cos x can be expressed as a sum of multiples of terms of the form cos(kx), where the k are non-negative integers. Note that the term where k = 0 is the constant term. It can also be shown that any odd positive power of sin x can be expressed as a sum of multiples of terms of the form sin(kx), where the k are non-negative integers. (a) What is the constant term in the expansion of f(x) described above? Syntax advice: Remember to use correct Maple syntax. For example, • the factorial n! may be written as n! or factorial (n) (2) • the term a is written a^x • the binomial coefficient may be written as binomial (n,k) (b) Now, consider the function g: R → R defined by g(x) = sin 975 (x) f(x). Briefly explain in words why g(x) may be written as a sum of multiples of terms of the form sin(kx), where k are non-negative integers. Essay box advice: In your explanation, you don't need to use exact Maple syntax or use the equation editor, as long as your expressions are sufficiently clear for the reader. 975 For example, you can write sin(kx) as 'sin(kx)', and sin '(x)f(x) as 'sin^975(x) f(x)'.
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