In any triangle ABC ,`(tanA/2-tanB/2)/(tanA/2+tanB/2)` is equal to

In a triangle ABC tanA+tanB+tanC>=P then P=

In an acute-angled triangle ABC, tanA+tanB+tanC

In an acute-angled triangle ABC, tanA+tanB+tanC

In triangle A B C ,(sinA+sinB+sinC)/(sinA+sinB-sinC) is equal to tanA/2cotB/2 (b) cotA/2tanB/2 cotA/2cotB/2 (d) tanA/2tanB/2

In DeltaABC,(a+b+c)(tanA/2+tanB/2)=

If in a triangle ABC, (tanA)/1= (tanB)/2 = (tanC)/3 then prove that 6sqrt(2a)=3sqrt(5b)=2sqrt(10)c

If in a triangle ABC, (tanA)/1= (tanB)/2 = (tanC)/3 then prove that 6sqrt(2a)=3sqrt(5b)=2sqrt(10)c

In a DeltaABC sum((cotA+cotB)/(tanA+tanB)) is equal to

In a triangle ABC, tanA=2, tanB=(3)/(2) and side c= sqrt(65) then circum radius R =