Prove the following:x = sin' (3x-4x3), Ď E – InterviewSolution

1.	Prove the following:x = sin' (3x-4x3), Ď E
Answer» =Let sin^-1x=theta then X=sinthetaWe haveRHS, sin^-1(3x-4x^3)=sin^-1(3sintheta-4sin^3theta)=sin^-1(sin3θ)=3θ=3sin^-1x= LHS

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