Question
Wed June 01, 2011 By: Pooja Dev

solve:sin^-1(1-x^2/1+x^2).(^-1 denotes inverse function) 2)Tan^-1{(1-x)^1/2 +(1+x)^1/2 /(1-x)^1/2-(1+x)^1/2}

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Wed June 01, 2011
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