Question
Wed May 02, 2012 By: Venkatesh Sehgal
 

TAN 225 DEGREE COT 405 DEGREE+TAN 765 DEGREE COT 675 DEGREE=?

Expert Reply
Wed May 02, 2012
tan225cot405+ tan765cot675
= tan45cot45 - tan45cot45
= 0 Ans
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