hi im going through some past papers and im really struggling with this trig question. prove that sec^2 x - cosec^2 x = tan^2 x - cot^x cheers
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Originally Posted by brooksy hi im going through some past papers and im really struggling with this trig question. prove that sec^2 x - cosec^2 x = tan^2 x - cot^x cheers and Note that csc is same as cosec
Last edited by great_math; Dec 1st 2008 at 03:55 AM.
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