Prove that in `DeltaABC` `tanA+tanB+tanCge3sqrt3`; where `A;B;C` are acute angles.

Prove that in Delta ABCtan A+tan B+tan C>=3sqrt(3); where A;B;C are acute angles.

Prove that in A B C ,tanA+tanB+tanCgeq3sqrt(3,) where A , B , C are acute angles.

Prove that in A B C ,tanA+tanB+tanCgeq3sqrt(3,) where A , B , C are acute angles.

Prove that in A B C ,tanA+tanB+tanCgeq3sqrt(3,) where A , B , C are acute angles.

Prove that in ABC,tan A+tan B+tan C>=3sqrt(3) where A,B,C are acute angles.

Prove that in Delta ABCcos A+cos B+cos C<=(3)/(2); where A;B;C are acute angles.

In Delta ABC, prove that tan A+tan B+tan C>=3sqrt(3), where A,B,C are acute angles.

In DeltaABC , tanA+tanB+tanC=tanAtanBtanC

In DeltaABC , tanA+tanB+tanC=tanAtanBtanC

If sinA=(3)/(5)andcosB=(12)/(13) ,what is the value of (tanA-tanB)/(1+tanAtanB) ,it being given that A and B are acute angles ?