" xi) "tan3A-tan2A-tan A=tan3A tan2A tan A

tan3A-tan2A-tanA=?

tan 3A-tan 2A-tan A=

tan3x-tan2x-tan x=tan3x tan2x tan x

tan3A-tan2A-tan A= is equal to tan3A-tan2A-tan A tan3.Atan2A tan Atan A tan2A-tan2Atan3A-tan3Atan A None of these

Prove that tan3A-tan2A-tanA=tan3Atan2AtanA

Prove that : tan 3A - tan 2A - tan A = tan 3A tan 2A tan A .

Prove that: tan3A tan2A tan A=tan3A-tan2A-tan Acot A cot2A-cot2A cot3A-cot3A cot A=1

Prove that : (i) "tan"3A-"tan"2A-"tan"A="tan"3A "tan"2A "tan"A (ii) "tan"7A-"tan"5A-"tan"2A="tan"7A "tan"5A "tan"2A (iii) "tan"13 A -"tan" 9A-"tan" 4A ="tan"13 A "tan"9A tan 4A.

Prove that tan3A tan 2A tan A=tan 3A-tan 2A-tan A

Prove that, tan3A.tan2A.tanA=tan3A-tan2A-tanA