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[=sin^(-1)[(3)/(5)*(12)/(13)-(5)/(13)*(4...

[=sin^(-1)[(3)/(5)*(12)/(13)-(5)/(13)*(4)/(5)]=sin^(-1)(16)/(65)=," R.H.S."],[" Prove that "cos(2sin^(-1)x)=1-2x^(2)],[[H.S,=cos(2sin^(-1)x)],[,=1-2sin^(2)(sin^(-1)x)=1-2x^(2)]]

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