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" (i) "sin{2+tan^(-1)sqrt((-1-x)/(1+x))}...

" (i) "sin{2+tan^(-1)sqrt((-1-x)/(1+x))}

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Write each of the following in the simplest form: (i) sin^(-1){(sqrt(1+x)+sqrt(1-x))/2},\ \ 0 < x <1 (ii) sin{2tan^(-1)(sqrt((1-x)/(1+x)))}

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