Math, asked by jiya496, 1 year ago

prove that.. tan225°cot405°+ tan765°cot675°= 0

Answers

Answered by Anonymous

Answer :

L.H.S. = tan225 cot405 + tan765 cot675

= tan(180 + 45) cot(360 + 45)
+ tan(720 + 45) cot(720 - 45)

= tan45 cot45 + tan45 (- cot45)

= tan45 cot45 - tan45 cot45

= 0

= R.H.S. [Proved]

Hope it helps! (:

Answered by anishkumar28

I don't know if you know

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