If `tanB=(nsinAcosA)/(1-nsin^(2)A)`, prove that:
`tan(A-B)=(1-n)tanA`

If n. sin(A+2B)=sinA , then prove that: tan(A+B)=(1+n)/(1-n).tanB

If n. sin(A+2B)=sinA , then prove that: tan(A+B)=(1+n)/(1-n).tanB

Prove that : tan (45^@-A)= (1-tanA)/(1+tanA) .

If A+B=pi/4 , prove that: (1+tanA)(1+tanB)=2

Prove that : tan (45^@+A)= (1+tanA)/(1-tanA) .

If tanA=18/17 and tanB=1/35 prove that tan(A-B)=1

Given A=60^(@) and B=30^(@) , prove that : tan(A-B)=(tanA-tanB)/(1+tanA.tanB)

Given A=60^(@) and B=30^(@) , prove that : tan(A-B)=(tanA-tanB)/(1+tanA.tanB)

Given that tan(A+B)=(tanA+tanB)/(1-tanAtanB) by writing A+B+C=(A+B)+C prove that tan(A+B+C)=(tanA+tanB+tanC-tanAtanBtanC)/(1-(tanAtanB+tanBtanC+tanCtanA)

If 2tanB +cotB=tanA , prove that: 2tan(A-B)=cotB