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1/tan3a -tana -1/cot3a-cota answer this question please it`s very urgent

1/tan3a -tana -1/cot3a-cota answer this question please it`s very urgent

Grade:11

1 Answers

Sai Rakshit
44 Points
5 years ago
1/tan3A-tanA------------------------------------------------------(1)
1/cot3A-cotA=(tan3AtanA)/(tan3A-tanA)----------------(2)
              bya adding (1) and (2)
  (1+tan3AtanA)/(tan3A-tanA)                                                      formulatan(a-b)=(tana-tanb)/(1+tanatanb)
  1/tan2A=cot2A-----------------------------------(answer)

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