Question: Equating the exponents and the coefficients of each pair of the cosine functions


 

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Eq3 := lambda*((1/2)*cos(mu*xi)^(2*beta)*a*lambda+(-beta^2*mu^2-c)*cos(mu*xi)^beta+mu^2*beta*(beta-1)*cos(mu*xi)^(beta-2))

lambda*((1/2)*cos(mu*xi)^(2*beta)*a*lambda+(-beta^2*mu^2-c)*cos(mu*xi)^beta+mu^2*beta*(beta-1)*cos(mu*xi)^(beta-2))

(1)

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Please help me with the following worksheet containg a sample Equation. I need to equate the exponent and co-efficents of the cosine function

 

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