Q3 of 51 Page 54

.

Formula used: - sin2A = 2sinAcosA


Taking L.H.S


We can write





L.H.S = R.H.S


More from this chapter

All 51 →
1

.

 2

.

4

If tan(A + B) = x and tan(A – B) = y. Find the value of tan 2A and tan2B.

 5

and then find the value of tan (2A).