Question

ing
If A + B = 1 then tanB+2tan (A - B). =​

Answer 1

Answer:

2tanA=3tanB=1(Given)

Therefore,

2tanA=1

⇒tanA=

2

1

3tanB=1

⇒tanB=

3

1

Now,

tan(A−B)

=

1+tanA⋅tanB

tanA−tanB

=

1+

2

1

⋅

3

1

2

1

−

3

1

=

7

1