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 T O P I C    R E V I E W sreesuja Posted - 11/02/2013 : 03:31:30 PLEASE HELP ME OUT THE SUM;ELIMINATE "x" FROM THE EQUATIONA= cot x + tan xB= sec x - cos x 2   L A T E S T    R E P L I E S    (Newest First) royhaas Posted - 11/04/2013 : 16:58:07 I think the only way to "eliminate x" is to find an identity between A and B. One way to start is to rewrite them in terms of sine and cosine. the_hill1962 Posted - 11/04/2013 : 13:03:39 I am not very well versed in trig identities but since no one else has replied, I thought I would give you my response:I don't understand what you mean by "eliminate x"."x" is the argument of the trig functions and cannot be "eliminated".Hopefully someone here will give a better answer.

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