plz solve it

Asked by  | 2nd Feb, 2009, 05:24: PM

Expert Answer:

taking LCM we get  [ (secA-1)2  (secA+1)2  ] /   (sec2A-1) = 2sec A / tan A  = 2 / sin A  = 2 cosec A

Answered by  | 2nd Feb, 2009, 05:49: PM

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