= 0, then the general If tan 20+ ta...
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= 0, then the general If tan 20+ tano 1-tan tan 20 value of 0 is (A) nt; nel (B) n; nel (D) HI; NEI (C) NIE; nel

JEE/Engineering Exams
Maths
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( frac{tan 2 theta+tan theta}{1-tan theta tan 2}=0 ) ( tan [2 theta+theta]=0 ) ( 2 theta+theta=n pi ) ( theta=frac{n pi}{3} )
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