`tan3A-tan2A-tanA=` `a. tan3A tan2A tanA, b.-tan3A tan2A tanA, c.tanAtan2A-tanAtan3A-tan2Atan3A, d.`none of these

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, tan3A.tan2A.tanA=tan3A-tan2A-tanA

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

The value of tan 3A -tan 2A -tan A is equal to (A) tan 3A tan 2A tan A (B)-tan 3A tan 2A tan A (C) tan A tan 2A-tan 2A tan 3A-tan 3A tan A (D) none of these

tan 3A - tan 2 A - tan A = tan 3 A tan 2 A tan A.

The value of tan 3A -tan 2A -tan A is equal to....................... (A) tan 3A tan 2A tan A (B) -tan 3A tan 2A tan A (C) tan A tan 2A-tan 2A tan 3A-tan 3A tan A (D) none of these

Prove that tan 3A. tan2A.tanA = tan3A - tan 2A - tan A

(6) 1+tanA tan2A = sec2A

The value of: tan3A-tan2A-tanA =