Q10 of 123 Page 9

Mark the Correct alternative in the following:

If then


Given,


As there are 2 option in terms of tan 2A, let us consider tan 2A



[by using the formula for ]



[by substituting the value of tan A as given in the problem]











= tan B


Therefore, tan 2A = tan B


Hence the option B is the correct answer.

More from this chapter

All 123 →
8

Mark the Correct alternative in the following:

If and then λ =


 9

Mark the Correct alternative in the following:

If 2 tan α = 3 tan β, then tan (α - β) =


 11

Mark the Correct alternative in the following:

If sin α + sin β = a and cos α – cos β = b, then


12

Mark the Correct alternative in the following:

The value of is