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

Asked by Vivek Sehgal | 2nd May, 2012, 03:01: PM

Expert Answer:

tan225cot405+ tan765cot675
= tan45cot45 - tan45cot45
= 0 Ans

Answered by  | 2nd May, 2012, 10:21: PM

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