1/tan3a -tana -1/cot3a-cota answer this question please it`s very urgent
Aditi sngh , 9 Years ago
Grade 11
Trigonometry> 1/tan3a -tana -1/cot3a-cota answer this q...
1 AnswersSai Rakshit
1/tan3A-tanA------------------------------------------------------(1)
1/cot3A-cotA=(tan3AtanA)/(tan3A-tanA)----------------(2)
bya adding (1) and (2)
(1+tan3AtanA)/(tan3A-tanA) formula = tan(a-b)=(tana-tanb)/(1+tanatanb)
1/tan2A=cot2A-----------------------------------(answer)
Approved Last Activity: 9 Years ago
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