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![[Post New]](/templates/default/images/icon_minipost_new.gif) 15 May 2007 10:55:31 IST
Accepted Answer [?]
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hi sin(cot^ -1 x)
= sin ( sin^ -1 (1/(1+x^2)^1/2)) {frm pythagoras theorem}
= 1/ (1+x^2)^1/2
temme if i m correct :)
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