Math lover799
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- Aug 7, 2017
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De moivre's theorem & binomial theorem: If x+1/x= 2cosa, prove that x^6-2x^3cos3a+1=0
If x+1/x= 2cosa, prove that x^6-2x^3cos3a+1=0 using de moivre's theorem and binomial theorem
If x+1/x= 2cosa, prove that x^6-2x^3cos3a+1=0 using de moivre's theorem and binomial theorem